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Finding the Fourth Proportional to 62,646.88, 86,451.96 and 34,352.32

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Solution

The fourth proportional to 62,646.88, 86,451.96 and 34,352.32 is: 47,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,646.88 : 86,451.96 = 34,352.32 : x
  2. Step 2: Convert to fraction form
    62,646.88/86,451.96 = 34,352.32/x
  3. Step 3: Cross multiply
    62,646.88x = 86,451.96 × 34,352.32
  4. Step 4: Simplify right side
    62,646.88x = 2,969,825,394.55
  5. Step 5: Solve for x
    x = 2,969,825,394.55/62,646.88
  6. Step 6: Final answer
    x = 47,405.80

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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.