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Finding the Fourth Proportional to 69,284.81, 95,613.11 and 37,453.71

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Solution

The fourth proportional to 69,284.81, 95,613.11 and 37,453.71 is: 51,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,284.81 : 95,613.11 = 37,453.71 : x
  2. Step 2: Convert to fraction form
    69,284.81/95,613.11 = 37,453.71/x
  3. Step 3: Cross multiply
    69,284.81x = 95,613.11 × 37,453.71
  4. Step 4: Simplify right side
    69,284.81x = 3,581,065,506.87
  5. Step 5: Solve for x
    x = 3,581,065,506.87/69,284.81
  6. Step 6: Final answer
    x = 51,686.16

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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.