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Finding the Fourth Proportional to 7,171.68, 10,693.36 and 7,062.36

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Solution

The fourth proportional to 7,171.68, 10,693.36 and 7,062.36 is: 10,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.68 : 10,693.36 = 7,062.36 : x
  2. Step 2: Convert to fraction form
    7,171.68/10,693.36 = 7,062.36/x
  3. Step 3: Cross multiply
    7,171.68x = 10,693.36 × 7,062.36
  4. Step 4: Simplify right side
    7,171.68x = 75,520,357.93
  5. Step 5: Solve for x
    x = 75,520,357.93/7,171.68
  6. Step 6: Final answer
    x = 10,530.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.