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Finding the Fourth Proportional to 48,158.64, 72,230.81 and 18,572.76

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Solution

The fourth proportional to 48,158.64, 72,230.81 and 18,572.76 is: 27,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,158.64 : 72,230.81 = 18,572.76 : x
  2. Step 2: Convert to fraction form
    48,158.64/72,230.81 = 18,572.76/x
  3. Step 3: Cross multiply
    48,158.64x = 72,230.81 × 18,572.76
  4. Step 4: Simplify right side
    48,158.64x = 1,341,525,405.87
  5. Step 5: Solve for x
    x = 1,341,525,405.87/48,158.64
  6. Step 6: Final answer
    x = 27,856.38

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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.