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Finding the Fourth Proportional to 6,608.55, 9,115.02 and 5,612.25

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Solution

The fourth proportional to 6,608.55, 9,115.02 and 5,612.25 is: 7,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.55 : 9,115.02 = 5,612.25 : x
  2. Step 2: Convert to fraction form
    6,608.55/9,115.02 = 5,612.25/x
  3. Step 3: Cross multiply
    6,608.55x = 9,115.02 × 5,612.25
  4. Step 4: Simplify right side
    6,608.55x = 51,155,771.00
  5. Step 5: Solve for x
    x = 51,155,771.00/6,608.55
  6. Step 6: Final answer
    x = 7,740.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.