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Finding the Fourth Proportional to 53,355.65, 80,042.15 and 24,921.03

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Solution

The fourth proportional to 53,355.65, 80,042.15 and 24,921.03 is: 37,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.65 : 80,042.15 = 24,921.03 : x
  2. Step 2: Convert to fraction form
    53,355.65/80,042.15 = 24,921.03/x
  3. Step 3: Cross multiply
    53,355.65x = 80,042.15 × 24,921.03
  4. Step 4: Simplify right side
    53,355.65x = 1,994,732,821.41
  5. Step 5: Solve for x
    x = 1,994,732,821.41/53,355.65
  6. Step 6: Final answer
    x = 37,385.60

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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.