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Finding the Fourth Proportional to 61,913.84, 92,882.43 and 28,182.47

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Solution

The fourth proportional to 61,913.84, 92,882.43 and 28,182.47 is: 42,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,913.84 : 92,882.43 = 28,182.47 : x
  2. Step 2: Convert to fraction form
    61,913.84/92,882.43 = 28,182.47/x
  3. Step 3: Cross multiply
    61,913.84x = 92,882.43 × 28,182.47
  4. Step 4: Simplify right side
    61,913.84x = 2,617,656,297.00
  5. Step 5: Solve for x
    x = 2,617,656,297.00/61,913.84
  6. Step 6: Final answer
    x = 42,279.02

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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.