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Finding the Fourth Proportional to 62,447.68, 86,147.58 and 36,947.08

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Solution

The fourth proportional to 62,447.68, 86,147.58 and 36,947.08 is: 50,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,447.68 : 86,147.58 = 36,947.08 : x
  2. Step 2: Convert to fraction form
    62,447.68/86,147.58 = 36,947.08/x
  3. Step 3: Cross multiply
    62,447.68x = 86,147.58 × 36,947.08
  4. Step 4: Simplify right side
    62,447.68x = 3,182,901,530.07
  5. Step 5: Solve for x
    x = 3,182,901,530.07/62,447.68
  6. Step 6: Final answer
    x = 50,969.09

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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.