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Finding the Fourth Proportional to 15,793.76, 23,713.95 and 10,561.40

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Solution

The fourth proportional to 15,793.76, 23,713.95 and 10,561.40 is: 15,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.76 : 23,713.95 = 10,561.40 : x
  2. Step 2: Convert to fraction form
    15,793.76/23,713.95 = 10,561.40/x
  3. Step 3: Cross multiply
    15,793.76x = 23,713.95 × 10,561.40
  4. Step 4: Simplify right side
    15,793.76x = 250,452,511.53
  5. Step 5: Solve for x
    x = 250,452,511.53/15,793.76
  6. Step 6: Final answer
    x = 15,857.69

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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.