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Finding the Fourth Proportional to 62,338.63, 86,055.62 and 39,708.64

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Solution

The fourth proportional to 62,338.63, 86,055.62 and 39,708.64 is: 54,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,338.63 : 86,055.62 = 39,708.64 : x
  2. Step 2: Convert to fraction form
    62,338.63/86,055.62 = 39,708.64/x
  3. Step 3: Cross multiply
    62,338.63x = 86,055.62 × 39,708.64
  4. Step 4: Simplify right side
    62,338.63x = 3,417,151,634.56
  5. Step 5: Solve for x
    x = 3,417,151,634.56/62,338.63
  6. Step 6: Final answer
    x = 54,815.96

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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.