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Finding the Fourth Proportional to 69,284.94, 95,612.51 and 38,658.30

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Solution

The fourth proportional to 69,284.94, 95,612.51 and 38,658.30 is: 53,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,284.94 : 95,612.51 = 38,658.30 : x
  2. Step 2: Convert to fraction form
    69,284.94/95,612.51 = 38,658.30/x
  3. Step 3: Cross multiply
    69,284.94x = 95,612.51 × 38,658.30
  4. Step 4: Simplify right side
    69,284.94x = 3,696,217,095.33
  5. Step 5: Solve for x
    x = 3,696,217,095.33/69,284.94
  6. Step 6: Final answer
    x = 53,348.06

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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.