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Finding the Fourth Proportional to 10,059.70, 13,879.17 and 5,810.20

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Solution

The fourth proportional to 10,059.70, 13,879.17 and 5,810.20 is: 8,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.70 : 13,879.17 = 5,810.20 : x
  2. Step 2: Convert to fraction form
    10,059.70/13,879.17 = 5,810.20/x
  3. Step 3: Cross multiply
    10,059.70x = 13,879.17 × 5,810.20
  4. Step 4: Simplify right side
    10,059.70x = 80,640,655.09
  5. Step 5: Solve for x
    x = 80,640,655.09/10,059.70
  6. Step 6: Final answer
    x = 8,016.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.