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Finding the Fourth Proportional to 57,432.92, 86,188.74 and 22,372.76

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Solution

The fourth proportional to 57,432.92, 86,188.74 and 22,372.76 is: 33,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432.92 : 86,188.74 = 22,372.76 : x
  2. Step 2: Convert to fraction form
    57,432.92/86,188.74 = 22,372.76/x
  3. Step 3: Cross multiply
    57,432.92x = 86,188.74 × 22,372.76
  4. Step 4: Simplify right side
    57,432.92x = 1,928,279,994.72
  5. Step 5: Solve for x
    x = 1,928,279,994.72/57,432.92
  6. Step 6: Final answer
    x = 33,574.47

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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.