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Finding the Fourth Proportional to 7,614.71, 10,505.22 and 5,063.69

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Solution

The fourth proportional to 7,614.71, 10,505.22 and 5,063.69 is: 6,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.71 : 10,505.22 = 5,063.69 : x
  2. Step 2: Convert to fraction form
    7,614.71/10,505.22 = 5,063.69/x
  3. Step 3: Cross multiply
    7,614.71x = 10,505.22 × 5,063.69
  4. Step 4: Simplify right side
    7,614.71x = 53,195,177.46
  5. Step 5: Solve for x
    x = 53,195,177.46/7,614.71
  6. Step 6: Final answer
    x = 6,985.84

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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.