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Finding the Fourth Proportional to 9,332.42, 12,881.31 and 6,353.24

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Solution

The fourth proportional to 9,332.42, 12,881.31 and 6,353.24 is: 8,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.42 : 12,881.31 = 6,353.24 : x
  2. Step 2: Convert to fraction form
    9,332.42/12,881.31 = 6,353.24/x
  3. Step 3: Cross multiply
    9,332.42x = 12,881.31 × 6,353.24
  4. Step 4: Simplify right side
    9,332.42x = 81,838,053.94
  5. Step 5: Solve for x
    x = 81,838,053.94/9,332.42
  6. Step 6: Final answer
    x = 8,769.22

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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.