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Finding the Fourth Proportional to 10,484.88, 15,727.88 and 2,693.76

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Solution

The fourth proportional to 10,484.88, 15,727.88 and 2,693.76 is: 4,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.88 : 15,727.88 = 2,693.76 : x
  2. Step 2: Convert to fraction form
    10,484.88/15,727.88 = 2,693.76/x
  3. Step 3: Cross multiply
    10,484.88x = 15,727.88 × 2,693.76
  4. Step 4: Simplify right side
    10,484.88x = 42,367,134.03
  5. Step 5: Solve for x
    x = 42,367,134.03/10,484.88
  6. Step 6: Final answer
    x = 4,040.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.