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Finding the Fourth Proportional to 7,062.85, 10,595.49 and 2,905.12

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Solution

The fourth proportional to 7,062.85, 10,595.49 and 2,905.12 is: 4,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.85 : 10,595.49 = 2,905.12 : x
  2. Step 2: Convert to fraction form
    7,062.85/10,595.49 = 2,905.12/x
  3. Step 3: Cross multiply
    7,062.85x = 10,595.49 × 2,905.12
  4. Step 4: Simplify right side
    7,062.85x = 30,781,169.91
  5. Step 5: Solve for x
    x = 30,781,169.91/7,062.85
  6. Step 6: Final answer
    x = 4,358.18

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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.