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Finding the Fourth Proportional to 15,937.60, 23,917.20 and 10,377.40

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Solution

The fourth proportional to 15,937.60, 23,917.20 and 10,377.40 is: 15,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.60 : 23,917.20 = 10,377.40 : x
  2. Step 2: Convert to fraction form
    15,937.60/23,917.20 = 10,377.40/x
  3. Step 3: Cross multiply
    15,937.60x = 23,917.20 × 10,377.40
  4. Step 4: Simplify right side
    15,937.60x = 248,198,351.28
  5. Step 5: Solve for x
    x = 248,198,351.28/15,937.60
  6. Step 6: Final answer
    x = 15,573.13

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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.