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Finding the Fourth Proportional to 61,366.38, 91,955.22 and 36,356.68

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Solution

The fourth proportional to 61,366.38, 91,955.22 and 36,356.68 is: 54,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.38 : 91,955.22 = 36,356.68 : x
  2. Step 2: Convert to fraction form
    61,366.38/91,955.22 = 36,356.68/x
  3. Step 3: Cross multiply
    61,366.38x = 91,955.22 × 36,356.68
  4. Step 4: Simplify right side
    61,366.38x = 3,343,186,507.87
  5. Step 5: Solve for x
    x = 3,343,186,507.87/61,366.38
  6. Step 6: Final answer
    x = 54,479.12

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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.