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Finding the Fourth Proportional to 5,301.92, 7,316.16 and 2,943.92

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Solution

The fourth proportional to 5,301.92, 7,316.16 and 2,943.92 is: 4,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.92 : 7,316.16 = 2,943.92 : x
  2. Step 2: Convert to fraction form
    5,301.92/7,316.16 = 2,943.92/x
  3. Step 3: Cross multiply
    5,301.92x = 7,316.16 × 2,943.92
  4. Step 4: Simplify right side
    5,301.92x = 21,538,189.75
  5. Step 5: Solve for x
    x = 21,538,189.75/5,301.92
  6. Step 6: Final answer
    x = 4,062.34

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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.