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Finding the Fourth Proportional to 6,607.55, 9,911.32 and 2,225.00

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Solution

The fourth proportional to 6,607.55, 9,911.32 and 2,225.00 is: 3,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.55 : 9,911.32 = 2,225.00 : x
  2. Step 2: Convert to fraction form
    6,607.55/9,911.32 = 2,225.00/x
  3. Step 3: Cross multiply
    6,607.55x = 9,911.32 × 2,225.00
  4. Step 4: Simplify right side
    6,607.55x = 22,052,706.22
  5. Step 5: Solve for x
    x = 22,052,706.22/6,607.55
  6. Step 6: Final answer
    x = 3,337.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,608.55, 9,912.82 and 2,226
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.