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Finding the Fourth Proportional to 7,062.76, 10,610.68 and 6,663.80

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Solution

The fourth proportional to 7,062.76, 10,610.68 and 6,663.80 is: 10,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.76 : 10,610.68 = 6,663.80 : x
  2. Step 2: Convert to fraction form
    7,062.76/10,610.68 = 6,663.80/x
  3. Step 3: Cross multiply
    7,062.76x = 10,610.68 × 6,663.80
  4. Step 4: Simplify right side
    7,062.76x = 70,707,449.38
  5. Step 5: Solve for x
    x = 70,707,449.38/7,062.76
  6. Step 6: Final answer
    x = 10,011.31

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1.5x scale

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.