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Finding the Fourth Proportional to 12,332.64, 17,022.20 and 7,614.20

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Solution

The fourth proportional to 12,332.64, 17,022.20 and 7,614.20 is: 10,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.64 : 17,022.20 = 7,614.20 : x
  2. Step 2: Convert to fraction form
    12,332.64/17,022.20 = 7,614.20/x
  3. Step 3: Cross multiply
    12,332.64x = 17,022.20 × 7,614.20
  4. Step 4: Simplify right side
    12,332.64x = 129,610,435.24
  5. Step 5: Solve for x
    x = 129,610,435.24/12,332.64
  6. Step 6: Final answer
    x = 10,509.55

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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.