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Finding the Fourth Proportional to 38,656.66, 52,946.48 and 36,387.04

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Solution

The fourth proportional to 38,656.66, 52,946.48 and 36,387.04 is: 49,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.66 : 52,946.48 = 36,387.04 : x
  2. Step 2: Convert to fraction form
    38,656.66/52,946.48 = 36,387.04/x
  3. Step 3: Cross multiply
    38,656.66x = 52,946.48 × 36,387.04
  4. Step 4: Simplify right side
    38,656.66x = 1,926,565,685.62
  5. Step 5: Solve for x
    x = 1,926,565,685.62/38,656.66
  6. Step 6: Final answer
    x = 49,837.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.