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Finding the Fourth Proportional to 5,039.68, 6,955.20 and 2,943.68

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Solution

The fourth proportional to 5,039.68, 6,955.20 and 2,943.68 is: 4,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.68 : 6,955.20 = 2,943.68 : x
  2. Step 2: Convert to fraction form
    5,039.68/6,955.20 = 2,943.68/x
  3. Step 3: Cross multiply
    5,039.68x = 6,955.20 × 2,943.68
  4. Step 4: Simplify right side
    5,039.68x = 20,473,883.14
  5. Step 5: Solve for x
    x = 20,473,883.14/5,039.68
  6. Step 6: Final answer
    x = 4,062.54

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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.