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Finding the Fourth Proportional to 15,948.73, 22,005.15 and 8,873.80

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Solution

The fourth proportional to 15,948.73, 22,005.15 and 8,873.80 is: 12,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.73 : 22,005.15 = 8,873.80 : x
  2. Step 2: Convert to fraction form
    15,948.73/22,005.15 = 8,873.80/x
  3. Step 3: Cross multiply
    15,948.73x = 22,005.15 × 8,873.80
  4. Step 4: Simplify right side
    15,948.73x = 195,269,300.07
  5. Step 5: Solve for x
    x = 195,269,300.07/15,948.73
  6. Step 6: Final answer
    x = 12,243.56

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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.