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Finding the Fourth Proportional to 69,701.92, 96,167.46 and 39,482.44

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Solution

The fourth proportional to 69,701.92, 96,167.46 and 39,482.44 is: 54,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701.92 : 96,167.46 = 39,482.44 : x
  2. Step 2: Convert to fraction form
    69,701.92/96,167.46 = 39,482.44/x
  3. Step 3: Cross multiply
    69,701.92x = 96,167.46 × 39,482.44
  4. Step 4: Simplify right side
    69,701.92x = 3,796,925,969.40
  5. Step 5: Solve for x
    x = 3,796,925,969.40/69,701.92
  6. Step 6: Final answer
    x = 54,473.76

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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.