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Finding the Fourth Proportional to 63,070.53, 94,606.17 and 18,697.69

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Solution

The fourth proportional to 63,070.53, 94,606.17 and 18,697.69 is: 28,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.53 : 94,606.17 = 18,697.69 : x
  2. Step 2: Convert to fraction form
    63,070.53/94,606.17 = 18,697.69/x
  3. Step 3: Cross multiply
    63,070.53x = 94,606.17 × 18,697.69
  4. Step 4: Simplify right side
    63,070.53x = 1,768,916,838.75
  5. Step 5: Solve for x
    x = 1,768,916,838.75/63,070.53
  6. Step 6: Final answer
    x = 28,046.65

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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.