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Finding the Fourth Proportional to 39,821.62, 59,714.04 and 14,854.99

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Solution

The fourth proportional to 39,821.62, 59,714.04 and 14,854.99 is: 22,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.62 : 59,714.04 = 14,854.99 : x
  2. Step 2: Convert to fraction form
    39,821.62/59,714.04 = 14,854.99/x
  3. Step 3: Cross multiply
    39,821.62x = 59,714.04 × 14,854.99
  4. Step 4: Simplify right side
    39,821.62x = 887,051,467.06
  5. Step 5: Solve for x
    x = 887,051,467.06/39,821.62
  6. Step 6: Final answer
    x = 22,275.62

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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.