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Finding the Fourth Proportional to 7,039.68, 10,560.60 and 6,164.88

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Solution

The fourth proportional to 7,039.68, 10,560.60 and 6,164.88 is: 9,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.68 : 10,560.60 = 6,164.88 : x
  2. Step 2: Convert to fraction form
    7,039.68/10,560.60 = 6,164.88/x
  3. Step 3: Cross multiply
    7,039.68x = 10,560.60 × 6,164.88
  4. Step 4: Simplify right side
    7,039.68x = 65,104,831.73
  5. Step 5: Solve for x
    x = 65,104,831.73/7,039.68
  6. Step 6: Final answer
    x = 9,248.27

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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.