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Finding the Fourth Proportional to 12,510.88, 17,265.12 and 6,922.24

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Solution

The fourth proportional to 12,510.88, 17,265.12 and 6,922.24 is: 9,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.88 : 17,265.12 = 6,922.24 : x
  2. Step 2: Convert to fraction form
    12,510.88/17,265.12 = 6,922.24/x
  3. Step 3: Cross multiply
    12,510.88x = 17,265.12 × 6,922.24
  4. Step 4: Simplify right side
    12,510.88x = 119,513,304.27
  5. Step 5: Solve for x
    x = 119,513,304.27/12,510.88
  6. Step 6: Final answer
    x = 9,552.75

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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.