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Finding the Fourth Proportional to 10,541.58, 15,800.19 and 3,963.57

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Solution

The fourth proportional to 10,541.58, 15,800.19 and 3,963.57 is: 5,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.58 : 15,800.19 = 3,963.57 : x
  2. Step 2: Convert to fraction form
    10,541.58/15,800.19 = 3,963.57/x
  3. Step 3: Cross multiply
    10,541.58x = 15,800.19 × 3,963.57
  4. Step 4: Simplify right side
    10,541.58x = 62,625,159.08
  5. Step 5: Solve for x
    x = 62,625,159.08/10,541.58
  6. Step 6: Final answer
    x = 5,940.78

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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.