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Finding the Fourth Proportional to 22,983.40, 34,479.15 and 8,200.90

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Solution

The fourth proportional to 22,983.40, 34,479.15 and 8,200.90 is: 12,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,983.40 : 34,479.15 = 8,200.90 : x
  2. Step 2: Convert to fraction form
    22,983.40/34,479.15 = 8,200.90/x
  3. Step 3: Cross multiply
    22,983.40x = 34,479.15 × 8,200.90
  4. Step 4: Simplify right side
    22,983.40x = 282,760,061.24
  5. Step 5: Solve for x
    x = 282,760,061.24/22,983.40
  6. Step 6: Final answer
    x = 12,302.80

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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.