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Finding the Fourth Proportional to 15,903.97, 23,864.15 and 6,550.90

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Solution

The fourth proportional to 15,903.97, 23,864.15 and 6,550.90 is: 9,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.97 : 23,864.15 = 6,550.90 : x
  2. Step 2: Convert to fraction form
    15,903.97/23,864.15 = 6,550.90/x
  3. Step 3: Cross multiply
    15,903.97x = 23,864.15 × 6,550.90
  4. Step 4: Simplify right side
    15,903.97x = 156,331,616.95
  5. Step 5: Solve for x
    x = 156,331,616.95/15,903.97
  6. Step 6: Final answer
    x = 9,829.72

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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.