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Finding the Fourth Proportional to 7,923.71, 10,937.13 and 4,568.76

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Solution

The fourth proportional to 7,923.71, 10,937.13 and 4,568.76 is: 6,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.71 : 10,937.13 = 4,568.76 : x
  2. Step 2: Convert to fraction form
    7,923.71/10,937.13 = 4,568.76/x
  3. Step 3: Cross multiply
    7,923.71x = 10,937.13 × 4,568.76
  4. Step 4: Simplify right side
    7,923.71x = 49,969,122.06
  5. Step 5: Solve for x
    x = 49,969,122.06/7,923.71
  6. Step 6: Final answer
    x = 6,306.28

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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.