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Finding the Fourth Proportional to 3,332.94, 4,998 and 1,482.78

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Solution

The fourth proportional to 3,332.94, 4,998 and 1,482.78 is: 2,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.94 : 4,998 = 1,482.78 : x
  2. Step 2: Convert to fraction form
    3,332.94/4,998 = 1,482.78/x
  3. Step 3: Cross multiply
    3,332.94x = 4,998 × 1,482.78
  4. Step 4: Simplify right side
    3,332.94x = 7,410,934.44
  5. Step 5: Solve for x
    x = 7,410,934.44/3,332.94
  6. Step 6: Final answer
    x = 2,223.54

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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.