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Finding the Fourth Proportional to 62,407.06, 86,139.42 and 36,922.30

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Solution

The fourth proportional to 62,407.06, 86,139.42 and 36,922.30 is: 50,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,407.06 : 86,139.42 = 36,922.30 : x
  2. Step 2: Convert to fraction form
    62,407.06/86,139.42 = 36,922.30/x
  3. Step 3: Cross multiply
    62,407.06x = 86,139.42 × 36,922.30
  4. Step 4: Simplify right side
    62,407.06x = 3,180,465,507.07
  5. Step 5: Solve for x
    x = 3,180,465,507.07/62,407.06
  6. Step 6: Final answer
    x = 50,963.23

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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.