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Finding the Fourth Proportional to 9,392.82, 12,962.40 and 5,201.04

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Solution

The fourth proportional to 9,392.82, 12,962.40 and 5,201.04 is: 7,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.82 : 12,962.40 = 5,201.04 : x
  2. Step 2: Convert to fraction form
    9,392.82/12,962.40 = 5,201.04/x
  3. Step 3: Cross multiply
    9,392.82x = 12,962.40 × 5,201.04
  4. Step 4: Simplify right side
    9,392.82x = 67,417,960.90
  5. Step 5: Solve for x
    x = 67,417,960.90/9,392.82
  6. Step 6: Final answer
    x = 7,177.61

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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.