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Finding the Fourth Proportional to 62,805.59, 86,672.07 and 34,125.48

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Solution

The fourth proportional to 62,805.59, 86,672.07 and 34,125.48 is: 47,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.59 : 86,672.07 = 34,125.48 : x
  2. Step 2: Convert to fraction form
    62,805.59/86,672.07 = 34,125.48/x
  3. Step 3: Cross multiply
    62,805.59x = 86,672.07 × 34,125.48
  4. Step 4: Simplify right side
    62,805.59x = 2,957,725,991.34
  5. Step 5: Solve for x
    x = 2,957,725,991.34/62,805.59
  6. Step 6: Final answer
    x = 47,093.35

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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.