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Finding the Fourth Proportional to 63,061.63, 94,606.29 and 18,691.87

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Solution

The fourth proportional to 63,061.63, 94,606.29 and 18,691.87 is: 28,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,061.63 : 94,606.29 = 18,691.87 : x
  2. Step 2: Convert to fraction form
    63,061.63/94,606.29 = 18,691.87/x
  3. Step 3: Cross multiply
    63,061.63x = 94,606.29 × 18,691.87
  4. Step 4: Simplify right side
    63,061.63x = 1,768,368,473.86
  5. Step 5: Solve for x
    x = 1,768,368,473.86/63,061.63
  6. Step 6: Final answer
    x = 28,041.91

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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.