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Finding the Fourth Proportional to 5,292.92, 7,979.16 and 4,936.18

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Solution

The fourth proportional to 5,292.92, 7,979.16 and 4,936.18 is: 7,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.92 : 7,979.16 = 4,936.18 : x
  2. Step 2: Convert to fraction form
    5,292.92/7,979.16 = 4,936.18/x
  3. Step 3: Cross multiply
    5,292.92x = 7,979.16 × 4,936.18
  4. Step 4: Simplify right side
    5,292.92x = 39,386,570.01
  5. Step 5: Solve for x
    x = 39,386,570.01/5,292.92
  6. Step 6: Final answer
    x = 7,441.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.