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Finding the Fourth Proportional to 6,849.71, 9,452.59 and 3,705.90

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Solution

The fourth proportional to 6,849.71, 9,452.59 and 3,705.90 is: 5,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.71 : 9,452.59 = 3,705.90 : x
  2. Step 2: Convert to fraction form
    6,849.71/9,452.59 = 3,705.90/x
  3. Step 3: Cross multiply
    6,849.71x = 9,452.59 × 3,705.90
  4. Step 4: Simplify right side
    6,849.71x = 35,030,353.28
  5. Step 5: Solve for x
    x = 35,030,353.28/6,849.71
  6. Step 6: Final answer
    x = 5,114.14

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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.