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Finding the Fourth Proportional to 62,412.66, 86,129.73 and 35,556.30

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Solution

The fourth proportional to 62,412.66, 86,129.73 and 35,556.30 is: 49,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,412.66 : 86,129.73 = 35,556.30 : x
  2. Step 2: Convert to fraction form
    62,412.66/86,129.73 = 35,556.30/x
  3. Step 3: Cross multiply
    62,412.66x = 86,129.73 × 35,556.30
  4. Step 4: Simplify right side
    62,412.66x = 3,062,454,518.80
  5. Step 5: Solve for x
    x = 3,062,454,518.80/62,412.66
  6. Step 6: Final answer
    x = 49,067.84

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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.