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Finding the Fourth Proportional to 10,923.04, 15,073.76 and 5,955.04

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Solution

The fourth proportional to 10,923.04, 15,073.76 and 5,955.04 is: 8,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.04 : 15,073.76 = 5,955.04 : x
  2. Step 2: Convert to fraction form
    10,923.04/15,073.76 = 5,955.04/x
  3. Step 3: Cross multiply
    10,923.04x = 15,073.76 × 5,955.04
  4. Step 4: Simplify right side
    10,923.04x = 89,764,843.75
  5. Step 5: Solve for x
    x = 89,764,843.75/10,923.04
  6. Step 6: Final answer
    x = 8,217.94

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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.