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Finding the Fourth Proportional to 6,242.37, 8,612.22 and 4,005.25

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Solution

The fourth proportional to 6,242.37, 8,612.22 and 4,005.25 is: 5,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.37 : 8,612.22 = 4,005.25 : x
  2. Step 2: Convert to fraction form
    6,242.37/8,612.22 = 4,005.25/x
  3. Step 3: Cross multiply
    6,242.37x = 8,612.22 × 4,005.25
  4. Step 4: Simplify right side
    6,242.37x = 34,494,087.64
  5. Step 5: Solve for x
    x = 34,494,087.64/6,242.37
  6. Step 6: Final answer
    x = 5,525.80

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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.