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Finding the Fourth Proportional to 69,381.52, 95,746.46 and 39,573.52

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Solution

The fourth proportional to 69,381.52, 95,746.46 and 39,573.52 is: 54,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381.52 : 95,746.46 = 39,573.52 : x
  2. Step 2: Convert to fraction form
    69,381.52/95,746.46 = 39,573.52/x
  3. Step 3: Cross multiply
    69,381.52x = 95,746.46 × 39,573.52
  4. Step 4: Simplify right side
    69,381.52x = 3,789,024,449.74
  5. Step 5: Solve for x
    x = 3,789,024,449.74/69,381.52
  6. Step 6: Final answer
    x = 54,611.44

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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.