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Finding the Fourth Proportional to 61,996.88, 92,943.45 and 28,740.85

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Solution

The fourth proportional to 61,996.88, 92,943.45 and 28,740.85 is: 43,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.88 : 92,943.45 = 28,740.85 : x
  2. Step 2: Convert to fraction form
    61,996.88/92,943.45 = 28,740.85/x
  3. Step 3: Cross multiply
    61,996.88x = 92,943.45 × 28,740.85
  4. Step 4: Simplify right side
    61,996.88x = 2,671,273,522.57
  5. Step 5: Solve for x
    x = 2,671,273,522.57/61,996.88
  6. Step 6: Final answer
    x = 43,087.22

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1.5x scale

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.