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Finding the Fourth Proportional to 3,402.71, 4,697.04 and 3,309.08

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Solution

The fourth proportional to 3,402.71, 4,697.04 and 3,309.08 is: 4,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.71 : 4,697.04 = 3,309.08 : x
  2. Step 2: Convert to fraction form
    3,402.71/4,697.04 = 3,309.08/x
  3. Step 3: Cross multiply
    3,402.71x = 4,697.04 × 3,309.08
  4. Step 4: Simplify right side
    3,402.71x = 15,542,881.12
  5. Step 5: Solve for x
    x = 15,542,881.12/3,402.71
  6. Step 6: Final answer
    x = 4,567.79

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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.