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Finding the Fourth Proportional to 23,145.76, 34,711.46 and 8,352.76

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Solution

The fourth proportional to 23,145.76, 34,711.46 and 8,352.76 is: 12,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.76 : 34,711.46 = 8,352.76 : x
  2. Step 2: Convert to fraction form
    23,145.76/34,711.46 = 8,352.76/x
  3. Step 3: Cross multiply
    23,145.76x = 34,711.46 × 8,352.76
  4. Step 4: Simplify right side
    23,145.76x = 289,936,494.63
  5. Step 5: Solve for x
    x = 289,936,494.63/23,145.76
  6. Step 6: Final answer
    x = 12,526.55

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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.