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Finding the Fourth Proportional to 74,951.60, 112,433.16 and 33,402.80

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Solution

The fourth proportional to 74,951.60, 112,433.16 and 33,402.80 is: 50,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,951.60 : 112,433.16 = 33,402.80 : x
  2. Step 2: Convert to fraction form
    74,951.60/112,433.16 = 33,402.80/x
  3. Step 3: Cross multiply
    74,951.60x = 112,433.16 × 33,402.80
  4. Step 4: Simplify right side
    74,951.60x = 3,755,582,356.85
  5. Step 5: Solve for x
    x = 3,755,582,356.85/74,951.60
  6. Step 6: Final answer
    x = 50,106.77

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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.