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Finding the Fourth Proportional to 63,036, 94,490.19 and 40,863.45

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Solution

The fourth proportional to 63,036, 94,490.19 and 40,863.45 is: 61,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,036 : 94,490.19 = 40,863.45 : x
  2. Step 2: Convert to fraction form
    63,036/94,490.19 = 40,863.45/x
  3. Step 3: Cross multiply
    63,036x = 94,490.19 × 40,863.45
  4. Step 4: Simplify right side
    63,036x = 3,861,195,154.56
  5. Step 5: Solve for x
    x = 3,861,195,154.56/63,036
  6. Step 6: Final answer
    x = 61,253.81

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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.