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Finding the Fourth Proportional to 15,910.76, 23,865.98 and 9,672.50

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Solution

The fourth proportional to 15,910.76, 23,865.98 and 9,672.50 is: 14,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.76 : 23,865.98 = 9,672.50 : x
  2. Step 2: Convert to fraction form
    15,910.76/23,865.98 = 9,672.50/x
  3. Step 3: Cross multiply
    15,910.76x = 23,865.98 × 9,672.50
  4. Step 4: Simplify right side
    15,910.76x = 230,843,702.85
  5. Step 5: Solve for x
    x = 230,843,702.85/15,910.76
  6. Step 6: Final answer
    x = 14,508.65

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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.