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Finding the Fourth Proportional to 41,136.66, 61,704.98 and 9,971.91

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Solution

The fourth proportional to 41,136.66, 61,704.98 and 9,971.91 is: 14,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,136.66 : 61,704.98 = 9,971.91 : x
  2. Step 2: Convert to fraction form
    41,136.66/61,704.98 = 9,971.91/x
  3. Step 3: Cross multiply
    41,136.66x = 61,704.98 × 9,971.91
  4. Step 4: Simplify right side
    41,136.66x = 615,316,507.11
  5. Step 5: Solve for x
    x = 615,316,507.11/41,136.66
  6. Step 6: Final answer
    x = 14,957.86

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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.