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Finding the Fourth Proportional to 41,878.76, 62,825.83 and 13,800.47

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Solution

The fourth proportional to 41,878.76, 62,825.83 and 13,800.47 is: 20,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.76 : 62,825.83 = 13,800.47 : x
  2. Step 2: Convert to fraction form
    41,878.76/62,825.83 = 13,800.47/x
  3. Step 3: Cross multiply
    41,878.76x = 62,825.83 × 13,800.47
  4. Step 4: Simplify right side
    41,878.76x = 867,025,633.51
  5. Step 5: Solve for x
    x = 867,025,633.51/41,878.76
  6. Step 6: Final answer
    x = 20,703.23

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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.