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Finding the Fourth Proportional to 39,873.90, 59,808.86 and 14,912.11

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Solution

The fourth proportional to 39,873.90, 59,808.86 and 14,912.11 is: 22,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.90 : 59,808.86 = 14,912.11 : x
  2. Step 2: Convert to fraction form
    39,873.90/59,808.86 = 14,912.11/x
  3. Step 3: Cross multiply
    39,873.90x = 59,808.86 × 14,912.11
  4. Step 4: Simplify right side
    39,873.90x = 891,876,299.29
  5. Step 5: Solve for x
    x = 891,876,299.29/39,873.90
  6. Step 6: Final answer
    x = 22,367.42

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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.