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Finding the Fourth Proportional to 63,128.61, 94,697.96 and 36,836.01

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Solution

The fourth proportional to 63,128.61, 94,697.96 and 36,836.01 is: 55,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.61 : 94,697.96 = 36,836.01 : x
  2. Step 2: Convert to fraction form
    63,128.61/94,697.96 = 36,836.01/x
  3. Step 3: Cross multiply
    63,128.61x = 94,697.96 × 36,836.01
  4. Step 4: Simplify right side
    63,128.61x = 3,488,294,817.36
  5. Step 5: Solve for x
    x = 3,488,294,817.36/63,128.61
  6. Step 6: Final answer
    x = 55,256.96

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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.