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Finding the Fourth Proportional to 10,503.97, 15,758.30 and 4,581.82

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Solution

The fourth proportional to 10,503.97, 15,758.30 and 4,581.82 is: 6,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.97 : 15,758.30 = 4,581.82 : x
  2. Step 2: Convert to fraction form
    10,503.97/15,758.30 = 4,581.82/x
  3. Step 3: Cross multiply
    10,503.97x = 15,758.30 × 4,581.82
  4. Step 4: Simplify right side
    10,503.97x = 72,201,708.08
  5. Step 5: Solve for x
    x = 72,201,708.08/10,503.97
  6. Step 6: Final answer
    x = 6,873.75

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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.