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Finding the Fourth Proportional to 15,949.68, 22,008.36 and 8,875.12

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Solution

The fourth proportional to 15,949.68, 22,008.36 and 8,875.12 is: 12,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.68 : 22,008.36 = 8,875.12 : x
  2. Step 2: Convert to fraction form
    15,949.68/22,008.36 = 8,875.12/x
  3. Step 3: Cross multiply
    15,949.68x = 22,008.36 × 8,875.12
  4. Step 4: Simplify right side
    15,949.68x = 195,326,836.00
  5. Step 5: Solve for x
    x = 195,326,836.00/15,949.68
  6. Step 6: Final answer
    x = 12,246.44

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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.