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Finding the Fourth Proportional to 39,901.61, 59,852.06 and 15,277.61

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Solution

The fourth proportional to 39,901.61, 59,852.06 and 15,277.61 is: 22,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.61 : 59,852.06 = 15,277.61 : x
  2. Step 2: Convert to fraction form
    39,901.61/59,852.06 = 15,277.61/x
  3. Step 3: Cross multiply
    39,901.61x = 59,852.06 × 15,277.61
  4. Step 4: Simplify right side
    39,901.61x = 914,396,353.99
  5. Step 5: Solve for x
    x = 914,396,353.99/39,901.61
  6. Step 6: Final answer
    x = 22,916.28

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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.