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Finding the Fourth Proportional to 17,976.56, 24,800.46 and 10,900.40

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Solution

The fourth proportional to 17,976.56, 24,800.46 and 10,900.40 is: 15,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.56 : 24,800.46 = 10,900.40 : x
  2. Step 2: Convert to fraction form
    17,976.56/24,800.46 = 10,900.40/x
  3. Step 3: Cross multiply
    17,976.56x = 24,800.46 × 10,900.40
  4. Step 4: Simplify right side
    17,976.56x = 270,334,934.18
  5. Step 5: Solve for x
    x = 270,334,934.18/17,976.56
  6. Step 6: Final answer
    x = 15,038.19

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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.