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Finding the Fourth Proportional to 15,957.52, 23,950.11 and 15,920.62

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Solution

The fourth proportional to 15,957.52, 23,950.11 and 15,920.62 is: 23,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.52 : 23,950.11 = 15,920.62 : x
  2. Step 2: Convert to fraction form
    15,957.52/23,950.11 = 15,920.62/x
  3. Step 3: Cross multiply
    15,957.52x = 23,950.11 × 15,920.62
  4. Step 4: Simplify right side
    15,957.52x = 381,300,600.27
  5. Step 5: Solve for x
    x = 381,300,600.27/15,957.52
  6. Step 6: Final answer
    x = 23,894.73

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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.