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Finding the Fourth Proportional to 48,325.92, 72,487.98 and 19,856.88

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Solution

The fourth proportional to 48,325.92, 72,487.98 and 19,856.88 is: 29,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,325.92 : 72,487.98 = 19,856.88 : x
  2. Step 2: Convert to fraction form
    48,325.92/72,487.98 = 19,856.88/x
  3. Step 3: Cross multiply
    48,325.92x = 72,487.98 × 19,856.88
  4. Step 4: Simplify right side
    48,325.92x = 1,439,385,120.30
  5. Step 5: Solve for x
    x = 1,439,385,120.30/48,325.92
  6. Step 6: Final answer
    x = 29,784.95

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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.