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Finding the Fourth Proportional to 41,888.31, 62,819.13 and 13,802.16

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Solution

The fourth proportional to 41,888.31, 62,819.13 and 13,802.16 is: 20,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,888.31 : 62,819.13 = 13,802.16 : x
  2. Step 2: Convert to fraction form
    41,888.31/62,819.13 = 13,802.16/x
  3. Step 3: Cross multiply
    41,888.31x = 62,819.13 × 13,802.16
  4. Step 4: Simplify right side
    41,888.31x = 867,039,683.32
  5. Step 5: Solve for x
    x = 867,039,683.32/41,888.31
  6. Step 6: Final answer
    x = 20,698.85

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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.