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Finding the Fourth Proportional to 3,043.90, 4,565.62 and 963.98

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Solution

The fourth proportional to 3,043.90, 4,565.62 and 963.98 is: 1,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.90 : 4,565.62 = 963.98 : x
  2. Step 2: Convert to fraction form
    3,043.90/4,565.62 = 963.98/x
  3. Step 3: Cross multiply
    3,043.90x = 4,565.62 × 963.98
  4. Step 4: Simplify right side
    3,043.90x = 4,401,166.37
  5. Step 5: Solve for x
    x = 4,401,166.37/3,043.90
  6. Step 6: Final answer
    x = 1,445.90

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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.