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Finding the Fourth Proportional to 7,053.57, 9,734.25 and 3,909.56

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Solution

The fourth proportional to 7,053.57, 9,734.25 and 3,909.56 is: 5,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.57 : 9,734.25 = 3,909.56 : x
  2. Step 2: Convert to fraction form
    7,053.57/9,734.25 = 3,909.56/x
  3. Step 3: Cross multiply
    7,053.57x = 9,734.25 × 3,909.56
  4. Step 4: Simplify right side
    7,053.57x = 38,056,585.76
  5. Step 5: Solve for x
    x = 38,056,585.76/7,053.57
  6. Step 6: Final answer
    x = 5,395.37

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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.