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Finding the Fourth Proportional to 69,502.60, 95,913.66 and 37,671.40

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Solution

The fourth proportional to 69,502.60, 95,913.66 and 37,671.40 is: 51,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.60 : 95,913.66 = 37,671.40 : x
  2. Step 2: Convert to fraction form
    69,502.60/95,913.66 = 37,671.40/x
  3. Step 3: Cross multiply
    69,502.60x = 95,913.66 × 37,671.40
  4. Step 4: Simplify right side
    69,502.60x = 3,613,201,851.32
  5. Step 5: Solve for x
    x = 3,613,201,851.32/69,502.60
  6. Step 6: Final answer
    x = 51,986.57

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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.