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Finding the Fourth Proportional to 23,009.55, 34,532.55 and 8,976.30

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Solution

The fourth proportional to 23,009.55, 34,532.55 and 8,976.30 is: 13,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.55 : 34,532.55 = 8,976.30 : x
  2. Step 2: Convert to fraction form
    23,009.55/34,532.55 = 8,976.30/x
  3. Step 3: Cross multiply
    23,009.55x = 34,532.55 × 8,976.30
  4. Step 4: Simplify right side
    23,009.55x = 309,974,528.57
  5. Step 5: Solve for x
    x = 309,974,528.57/23,009.55
  6. Step 6: Final answer
    x = 13,471.56

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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.