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Finding the Fourth Proportional to 45,452.88, 68,177.70 and 15,870.60

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Solution

The fourth proportional to 45,452.88, 68,177.70 and 15,870.60 is: 23,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.88 : 68,177.70 = 15,870.60 : x
  2. Step 2: Convert to fraction form
    45,452.88/68,177.70 = 15,870.60/x
  3. Step 3: Cross multiply
    45,452.88x = 68,177.70 × 15,870.60
  4. Step 4: Simplify right side
    45,452.88x = 1,082,021,005.62
  5. Step 5: Solve for x
    x = 1,082,021,005.62/45,452.88
  6. Step 6: Final answer
    x = 23,805.33

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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.