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Finding the Fourth Proportional to 3,292.90, 4,938.62 and 952.39

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Solution

The fourth proportional to 3,292.90, 4,938.62 and 952.39 is: 1,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.90 : 4,938.62 = 952.39 : x
  2. Step 2: Convert to fraction form
    3,292.90/4,938.62 = 952.39/x
  3. Step 3: Cross multiply
    3,292.90x = 4,938.62 × 952.39
  4. Step 4: Simplify right side
    3,292.90x = 4,703,499.07
  5. Step 5: Solve for x
    x = 4,703,499.07/3,292.90
  6. Step 6: Final answer
    x = 1,428.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.