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Finding the Fourth Proportional to 62,187.69, 85,832.85 and 39,522.26

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Solution

The fourth proportional to 62,187.69, 85,832.85 and 39,522.26 is: 54,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.69 : 85,832.85 = 39,522.26 : x
  2. Step 2: Convert to fraction form
    62,187.69/85,832.85 = 39,522.26/x
  3. Step 3: Cross multiply
    62,187.69x = 85,832.85 × 39,522.26
  4. Step 4: Simplify right side
    62,187.69x = 3,392,307,785.08
  5. Step 5: Solve for x
    x = 3,392,307,785.08/62,187.69
  6. Step 6: Final answer
    x = 54,549.51

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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.