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Finding the Fourth Proportional to 45,332.84, 67,989 and 17,242.92

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Solution

The fourth proportional to 45,332.84, 67,989 and 17,242.92 is: 25,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.84 : 67,989 = 17,242.92 : x
  2. Step 2: Convert to fraction form
    45,332.84/67,989 = 17,242.92/x
  3. Step 3: Cross multiply
    45,332.84x = 67,989 × 17,242.92
  4. Step 4: Simplify right side
    45,332.84x = 1,172,328,887.88
  5. Step 5: Solve for x
    x = 1,172,328,887.88/45,332.84
  6. Step 6: Final answer
    x = 25,860.48

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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.