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Finding the Fourth Proportional to 3,283.61, 4,924.67 and 943.61

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Solution

The fourth proportional to 3,283.61, 4,924.67 and 943.61 is: 1,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.61 : 4,924.67 = 943.61 : x
  2. Step 2: Convert to fraction form
    3,283.61/4,924.67 = 943.61/x
  3. Step 3: Cross multiply
    3,283.61x = 4,924.67 × 943.61
  4. Step 4: Simplify right side
    3,283.61x = 4,646,938.52
  5. Step 5: Solve for x
    x = 4,646,938.52/3,283.61
  6. Step 6: Final answer
    x = 1,415.19

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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.