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Finding the Fourth Proportional to 63,066.66, 94,609.17 and 18,687.66

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Solution

The fourth proportional to 63,066.66, 94,609.17 and 18,687.66 is: 28,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,066.66 : 94,609.17 = 18,687.66 : x
  2. Step 2: Convert to fraction form
    63,066.66/94,609.17 = 18,687.66/x
  3. Step 3: Cross multiply
    63,066.66x = 94,609.17 × 18,687.66
  4. Step 4: Simplify right side
    63,066.66x = 1,768,024,001.84
  5. Step 5: Solve for x
    x = 1,768,024,001.84/63,066.66
  6. Step 6: Final answer
    x = 28,034.21

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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.