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Finding the Fourth Proportional to 10,275.60, 15,410 and 3,348.48

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Solution

The fourth proportional to 10,275.60, 15,410 and 3,348.48 is: 5,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.60 : 15,410 = 3,348.48 : x
  2. Step 2: Convert to fraction form
    10,275.60/15,410 = 3,348.48/x
  3. Step 3: Cross multiply
    10,275.60x = 15,410 × 3,348.48
  4. Step 4: Simplify right side
    10,275.60x = 51,600,076.80
  5. Step 5: Solve for x
    x = 51,600,076.80/10,275.60
  6. Step 6: Final answer
    x = 5,021.61

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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.