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Finding the Fourth Proportional to 3,332.38, 4,976.96 and 3,019.40

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Solution

The fourth proportional to 3,332.38, 4,976.96 and 3,019.40 is: 4,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.38 : 4,976.96 = 3,019.40 : x
  2. Step 2: Convert to fraction form
    3,332.38/4,976.96 = 3,019.40/x
  3. Step 3: Cross multiply
    3,332.38x = 4,976.96 × 3,019.40
  4. Step 4: Simplify right side
    3,332.38x = 15,027,453.67
  5. Step 5: Solve for x
    x = 15,027,453.67/3,332.38
  6. Step 6: Final answer
    x = 4,509.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.