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Finding the Fourth Proportional to 9,003.90, 12,425.22 and 5,024.64

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Solution

The fourth proportional to 9,003.90, 12,425.22 and 5,024.64 is: 6,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.90 : 12,425.22 = 5,024.64 : x
  2. Step 2: Convert to fraction form
    9,003.90/12,425.22 = 5,024.64/x
  3. Step 3: Cross multiply
    9,003.90x = 12,425.22 × 5,024.64
  4. Step 4: Simplify right side
    9,003.90x = 62,432,257.42
  5. Step 5: Solve for x
    x = 62,432,257.42/9,003.90
  6. Step 6: Final answer
    x = 6,933.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.