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Finding the Fourth Proportional to 60,756.63, 91,139.71 and 16,382.71

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Solution

The fourth proportional to 60,756.63, 91,139.71 and 16,382.71 is: 24,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,756.63 : 91,139.71 = 16,382.71 : x
  2. Step 2: Convert to fraction form
    60,756.63/91,139.71 = 16,382.71/x
  3. Step 3: Cross multiply
    60,756.63x = 91,139.71 × 16,382.71
  4. Step 4: Simplify right side
    60,756.63x = 1,493,115,438.41
  5. Step 5: Solve for x
    x = 1,493,115,438.41/60,756.63
  6. Step 6: Final answer
    x = 24,575.35

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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.