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Finding the Fourth Proportional to 3,293.57, 4,939.61 and 953.04

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Solution

The fourth proportional to 3,293.57, 4,939.61 and 953.04 is: 1,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.57 : 4,939.61 = 953.04 : x
  2. Step 2: Convert to fraction form
    3,293.57/4,939.61 = 953.04/x
  3. Step 3: Cross multiply
    3,293.57x = 4,939.61 × 953.04
  4. Step 4: Simplify right side
    3,293.57x = 4,707,641.15
  5. Step 5: Solve for x
    x = 4,707,641.15/3,293.57
  6. Step 6: Final answer
    x = 1,429.35

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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.