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Finding the Fourth Proportional to 10,904.50, 15,049.02 and 6,713.56

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Solution

The fourth proportional to 10,904.50, 15,049.02 and 6,713.56 is: 9,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.50 : 15,049.02 = 6,713.56 : x
  2. Step 2: Convert to fraction form
    10,904.50/15,049.02 = 6,713.56/x
  3. Step 3: Cross multiply
    10,904.50x = 15,049.02 × 6,713.56
  4. Step 4: Simplify right side
    10,904.50x = 101,032,498.71
  5. Step 5: Solve for x
    x = 101,032,498.71/10,904.50
  6. Step 6: Final answer
    x = 9,265.21

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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.