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Finding the Fourth Proportional to 10,465.67, 15,700.67 and 3,446.11

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Solution

The fourth proportional to 10,465.67, 15,700.67 and 3,446.11 is: 5,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.67 : 15,700.67 = 3,446.11 : x
  2. Step 2: Convert to fraction form
    10,465.67/15,700.67 = 3,446.11/x
  3. Step 3: Cross multiply
    10,465.67x = 15,700.67 × 3,446.11
  4. Step 4: Simplify right side
    10,465.67x = 54,106,200.95
  5. Step 5: Solve for x
    x = 54,106,200.95/10,465.67
  6. Step 6: Final answer
    x = 5,169.87

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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.