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Finding the Fourth Proportional to 4,340.70, 6,520.65 and 3,044.70

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Solution

The fourth proportional to 4,340.70, 6,520.65 and 3,044.70 is: 4,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.70 : 6,520.65 = 3,044.70 : x
  2. Step 2: Convert to fraction form
    4,340.70/6,520.65 = 3,044.70/x
  3. Step 3: Cross multiply
    4,340.70x = 6,520.65 × 3,044.70
  4. Step 4: Simplify right side
    4,340.70x = 19,853,423.06
  5. Step 5: Solve for x
    x = 19,853,423.06/4,340.70
  6. Step 6: Final answer
    x = 4,573.78

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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.