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Finding the Fourth Proportional to 62,184.58, 85,828.58 and 39,519.16

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Solution

The fourth proportional to 62,184.58, 85,828.58 and 39,519.16 is: 54,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,184.58 : 85,828.58 = 39,519.16 : x
  2. Step 2: Convert to fraction form
    62,184.58/85,828.58 = 39,519.16/x
  3. Step 3: Cross multiply
    62,184.58x = 85,828.58 × 39,519.16
  4. Step 4: Simplify right side
    62,184.58x = 3,391,873,121.62
  5. Step 5: Solve for x
    x = 3,391,873,121.62/62,184.58
  6. Step 6: Final answer
    x = 54,545.25

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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.