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Finding the Fourth Proportional to 62,938.26, 86,854.14 and 34,643.34

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Solution

The fourth proportional to 62,938.26, 86,854.14 and 34,643.34 is: 47,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.26 : 86,854.14 = 34,643.34 : x
  2. Step 2: Convert to fraction form
    62,938.26/86,854.14 = 34,643.34/x
  3. Step 3: Cross multiply
    62,938.26x = 86,854.14 × 34,643.34
  4. Step 4: Simplify right side
    62,938.26x = 3,008,917,502.43
  5. Step 5: Solve for x
    x = 3,008,917,502.43/62,938.26
  6. Step 6: Final answer
    x = 47,807.45

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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.