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Finding the Fourth Proportional to 39,594.76, 59,381.76 and 14,641.96

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Solution

The fourth proportional to 39,594.76, 59,381.76 and 14,641.96 is: 21,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,594.76 : 59,381.76 = 14,641.96 : x
  2. Step 2: Convert to fraction form
    39,594.76/59,381.76 = 14,641.96/x
  3. Step 3: Cross multiply
    39,594.76x = 59,381.76 × 14,641.96
  4. Step 4: Simplify right side
    39,594.76x = 869,465,354.65
  5. Step 5: Solve for x
    x = 869,465,354.65/39,594.76
  6. Step 6: Final answer
    x = 21,959.10

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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.