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Finding the Fourth Proportional to 69,952.60, 96,419.30 and 49,508.32

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Solution

The fourth proportional to 69,952.60, 96,419.30 and 49,508.32 is: 68,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.60 : 96,419.30 = 49,508.32 : x
  2. Step 2: Convert to fraction form
    69,952.60/96,419.30 = 49,508.32/x
  3. Step 3: Cross multiply
    69,952.60x = 96,419.30 × 49,508.32
  4. Step 4: Simplify right side
    69,952.60x = 4,773,557,558.58
  5. Step 5: Solve for x
    x = 4,773,557,558.58/69,952.60
  6. Step 6: Final answer
    x = 68,239.89

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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.