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Finding the Fourth Proportional to 61,662.74, 92,458.76 and 18,957.04

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Solution

The fourth proportional to 61,662.74, 92,458.76 and 18,957.04 is: 28,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.74 : 92,458.76 = 18,957.04 : x
  2. Step 2: Convert to fraction form
    61,662.74/92,458.76 = 18,957.04/x
  3. Step 3: Cross multiply
    61,662.74x = 92,458.76 × 18,957.04
  4. Step 4: Simplify right side
    61,662.74x = 1,752,744,411.67
  5. Step 5: Solve for x
    x = 1,752,744,411.67/61,662.74
  6. Step 6: Final answer
    x = 28,424.69

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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.