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Finding the Fourth Proportional to 61,962.39, 92,818.85 and 28,636.56

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Solution

The fourth proportional to 61,962.39, 92,818.85 and 28,636.56 is: 42,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,962.39 : 92,818.85 = 28,636.56 : x
  2. Step 2: Convert to fraction form
    61,962.39/92,818.85 = 28,636.56/x
  3. Step 3: Cross multiply
    61,962.39x = 92,818.85 × 28,636.56
  4. Step 4: Simplify right side
    61,962.39x = 2,658,012,423.97
  5. Step 5: Solve for x
    x = 2,658,012,423.97/61,962.39
  6. Step 6: Final answer
    x = 42,897.19

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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.