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Finding the Fourth Proportional to 9,332.44, 12,903.17 and 8,919.34

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Solution

The fourth proportional to 9,332.44, 12,903.17 and 8,919.34 is: 12,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.44 : 12,903.17 = 8,919.34 : x
  2. Step 2: Convert to fraction form
    9,332.44/12,903.17 = 8,919.34/x
  3. Step 3: Cross multiply
    9,332.44x = 12,903.17 × 8,919.34
  4. Step 4: Simplify right side
    9,332.44x = 115,087,760.31
  5. Step 5: Solve for x
    x = 115,087,760.31/9,332.44
  6. Step 6: Final answer
    x = 12,332.01

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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.