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Finding the Fourth Proportional to 15,854.97, 23,780.40 and 5,992.97

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Solution

The fourth proportional to 15,854.97, 23,780.40 and 5,992.97 is: 8,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.97 : 23,780.40 = 5,992.97 : x
  2. Step 2: Convert to fraction form
    15,854.97/23,780.40 = 5,992.97/x
  3. Step 3: Cross multiply
    15,854.97x = 23,780.40 × 5,992.97
  4. Step 4: Simplify right side
    15,854.97x = 142,515,104.89
  5. Step 5: Solve for x
    x = 142,515,104.89/15,854.97
  6. Step 6: Final answer
    x = 8,988.67

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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.