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Finding the Fourth Proportional to 15,809.59, 23,728.02 and 8,796.61

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Solution

The fourth proportional to 15,809.59, 23,728.02 and 8,796.61 is: 13,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.59 : 23,728.02 = 8,796.61 : x
  2. Step 2: Convert to fraction form
    15,809.59/23,728.02 = 8,796.61/x
  3. Step 3: Cross multiply
    15,809.59x = 23,728.02 × 8,796.61
  4. Step 4: Simplify right side
    15,809.59x = 208,726,138.01
  5. Step 5: Solve for x
    x = 208,726,138.01/15,809.59
  6. Step 6: Final answer
    x = 13,202.50

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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.