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Finding the Fourth Proportional to 39,866,489.92, 59,804,724.88 and 15,602,283.76

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Solution

The fourth proportional to 39,866,489.92, 59,804,724.88 and 15,602,283.76 is: 23,405,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866,489.92 : 59,804,724.88 = 15,602,283.76 : x
  2. Step 2: Convert to fraction form
    39,866,489.92/59,804,724.88 = 15,602,283.76/x
  3. Step 3: Cross multiply
    39,866,489.92x = 59,804,724.88 × 15,602,283.76
  4. Step 4: Simplify right side
    39,866,489.92x = 933,090,287,766,492
  5. Step 5: Solve for x
    x = 933,090,287,766,492/39,866,489.92
  6. Step 6: Final answer
    x = 23,405,378.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.