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Finding the Fourth Proportional to 73,972.60, 110,894.10 and 44,402.20

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Solution

The fourth proportional to 73,972.60, 110,894.10 and 44,402.20 is: 66,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,972.60 : 110,894.10 = 44,402.20 : x
  2. Step 2: Convert to fraction form
    73,972.60/110,894.10 = 44,402.20/x
  3. Step 3: Cross multiply
    73,972.60x = 110,894.10 × 44,402.20
  4. Step 4: Simplify right side
    73,972.60x = 4,923,942,007.02
  5. Step 5: Solve for x
    x = 4,923,942,007.02/73,972.60
  6. Step 6: Final answer
    x = 66,564.40

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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.