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Finding the Fourth Proportional to 60,651.42, 90,977.13 and 23,689.50

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Solution

The fourth proportional to 60,651.42, 90,977.13 and 23,689.50 is: 35,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,651.42 : 90,977.13 = 23,689.50 : x
  2. Step 2: Convert to fraction form
    60,651.42/90,977.13 = 23,689.50/x
  3. Step 3: Cross multiply
    60,651.42x = 90,977.13 × 23,689.50
  4. Step 4: Simplify right side
    60,651.42x = 2,155,202,721.14
  5. Step 5: Solve for x
    x = 2,155,202,721.14/60,651.42
  6. Step 6: Final answer
    x = 35,534.25

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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.