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Finding the Fourth Proportional to 15,989.73, 23,991.49 and 8,585.53

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Solution

The fourth proportional to 15,989.73, 23,991.49 and 8,585.53 is: 12,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.73 : 23,991.49 = 8,585.53 : x
  2. Step 2: Convert to fraction form
    15,989.73/23,991.49 = 8,585.53/x
  3. Step 3: Cross multiply
    15,989.73x = 23,991.49 × 8,585.53
  4. Step 4: Simplify right side
    15,989.73x = 205,979,657.14
  5. Step 5: Solve for x
    x = 205,979,657.14/15,989.73
  6. Step 6: Final answer
    x = 12,882.00

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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.