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Finding the Fourth Proportional to 44,112.80, 66,092.40 and 28,522.40

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Solution

The fourth proportional to 44,112.80, 66,092.40 and 28,522.40 is: 42,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,112.80 : 66,092.40 = 28,522.40 : x
  2. Step 2: Convert to fraction form
    44,112.80/66,092.40 = 28,522.40/x
  3. Step 3: Cross multiply
    44,112.80x = 66,092.40 × 28,522.40
  4. Step 4: Simplify right side
    44,112.80x = 1,885,113,869.76
  5. Step 5: Solve for x
    x = 1,885,113,869.76/44,112.80
  6. Step 6: Final answer
    x = 42,733.94

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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.