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Finding the Fourth Proportional to 63,043.60, 94,565.70 and 18,671.19

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Solution

The fourth proportional to 63,043.60, 94,565.70 and 18,671.19 is: 28,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.60 : 94,565.70 = 18,671.19 : x
  2. Step 2: Convert to fraction form
    63,043.60/94,565.70 = 18,671.19/x
  3. Step 3: Cross multiply
    63,043.60x = 94,565.70 × 18,671.19
  4. Step 4: Simplify right side
    63,043.60x = 1,765,654,382.01
  5. Step 5: Solve for x
    x = 1,765,654,382.01/63,043.60
  6. Step 6: Final answer
    x = 28,006.88

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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.