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Finding the Fourth Proportional to 62,447.76, 86,177.88 and 35,590.32

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Solution

The fourth proportional to 62,447.76, 86,177.88 and 35,590.32 is: 49,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,447.76 : 86,177.88 = 35,590.32 : x
  2. Step 2: Convert to fraction form
    62,447.76/86,177.88 = 35,590.32/x
  3. Step 3: Cross multiply
    62,447.76x = 86,177.88 × 35,590.32
  4. Step 4: Simplify right side
    62,447.76x = 3,067,098,326.12
  5. Step 5: Solve for x
    x = 3,067,098,326.12/62,447.76
  6. Step 6: Final answer
    x = 49,114.63

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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.