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Finding the Fourth Proportional to 60,812.52, 83,855.04 and 39,552.36

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Solution

The fourth proportional to 60,812.52, 83,855.04 and 39,552.36 is: 54,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,812.52 : 83,855.04 = 39,552.36 : x
  2. Step 2: Convert to fraction form
    60,812.52/83,855.04 = 39,552.36/x
  3. Step 3: Cross multiply
    60,812.52x = 83,855.04 × 39,552.36
  4. Step 4: Simplify right side
    60,812.52x = 3,316,664,729.89
  5. Step 5: Solve for x
    x = 3,316,664,729.89/60,812.52
  6. Step 6: Final answer
    x = 54,539.18

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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.