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Finding the Fourth Proportional to 48,712.32, 72,937.92 and 33,889.92

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Solution

The fourth proportional to 48,712.32, 72,937.92 and 33,889.92 is: 50,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,712.32 : 72,937.92 = 33,889.92 : x
  2. Step 2: Convert to fraction form
    48,712.32/72,937.92 = 33,889.92/x
  3. Step 3: Cross multiply
    48,712.32x = 72,937.92 × 33,889.92
  4. Step 4: Simplify right side
    48,712.32x = 2,471,860,273.77
  5. Step 5: Solve for x
    x = 2,471,860,273.77/48,712.32
  6. Step 6: Final answer
    x = 50,744.05

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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.