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Finding the Fourth Proportional to 60,758.16, 91,122.48 and 25,678.80

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Solution

The fourth proportional to 60,758.16, 91,122.48 and 25,678.80 is: 38,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.16 : 91,122.48 = 25,678.80 : x
  2. Step 2: Convert to fraction form
    60,758.16/91,122.48 = 25,678.80/x
  3. Step 3: Cross multiply
    60,758.16x = 91,122.48 × 25,678.80
  4. Step 4: Simplify right side
    60,758.16x = 2,339,915,939.42
  5. Step 5: Solve for x
    x = 2,339,915,939.42/60,758.16
  6. Step 6: Final answer
    x = 38,511.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.