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Finding the Fourth Proportional to 62,578.26, 86,358.51 and 35,720.46

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Solution

The fourth proportional to 62,578.26, 86,358.51 and 35,720.46 is: 49,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.26 : 86,358.51 = 35,720.46 : x
  2. Step 2: Convert to fraction form
    62,578.26/86,358.51 = 35,720.46/x
  3. Step 3: Cross multiply
    62,578.26x = 86,358.51 × 35,720.46
  4. Step 4: Simplify right side
    62,578.26x = 3,084,765,702.11
  5. Step 5: Solve for x
    x = 3,084,765,702.11/62,578.26
  6. Step 6: Final answer
    x = 49,294.53

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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.