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Finding the Fourth Proportional to 14,793.86, 22,155.42 and 8,534.90

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Solution

The fourth proportional to 14,793.86, 22,155.42 and 8,534.90 is: 12,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.86 : 22,155.42 = 8,534.90 : x
  2. Step 2: Convert to fraction form
    14,793.86/22,155.42 = 8,534.90/x
  3. Step 3: Cross multiply
    14,793.86x = 22,155.42 × 8,534.90
  4. Step 4: Simplify right side
    14,793.86x = 189,094,294.16
  5. Step 5: Solve for x
    x = 189,094,294.16/14,793.86
  6. Step 6: Final answer
    x = 12,781.94

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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.