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Finding the Fourth Proportional to 15,949.63, 22,010.11 and 8,875.90

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Solution

The fourth proportional to 15,949.63, 22,010.11 and 8,875.90 is: 12,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.63 : 22,010.11 = 8,875.90 : x
  2. Step 2: Convert to fraction form
    15,949.63/22,010.11 = 8,875.90/x
  3. Step 3: Cross multiply
    15,949.63x = 22,010.11 × 8,875.90
  4. Step 4: Simplify right side
    15,949.63x = 195,359,535.35
  5. Step 5: Solve for x
    x = 195,359,535.35/15,949.63
  6. Step 6: Final answer
    x = 12,248.53

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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.