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Finding the Fourth Proportional to 48,521.60, 72,760.80 and 22,234.40

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Solution

The fourth proportional to 48,521.60, 72,760.80 and 22,234.40 is: 33,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,521.60 : 72,760.80 = 22,234.40 : x
  2. Step 2: Convert to fraction form
    48,521.60/72,760.80 = 22,234.40/x
  3. Step 3: Cross multiply
    48,521.60x = 72,760.80 × 22,234.40
  4. Step 4: Simplify right side
    48,521.60x = 1,617,792,731.52
  5. Step 5: Solve for x
    x = 1,617,792,731.52/48,521.60
  6. Step 6: Final answer
    x = 33,341.70

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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.