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Finding the Fourth Proportional to 5,920.65, 8,872.49 and 4,348.31

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Solution

The fourth proportional to 5,920.65, 8,872.49 and 4,348.31 is: 6,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.65 : 8,872.49 = 4,348.31 : x
  2. Step 2: Convert to fraction form
    5,920.65/8,872.49 = 4,348.31/x
  3. Step 3: Cross multiply
    5,920.65x = 8,872.49 × 4,348.31
  4. Step 4: Simplify right side
    5,920.65x = 38,580,303.50
  5. Step 5: Solve for x
    x = 38,580,303.50/5,920.65
  6. Step 6: Final answer
    x = 6,516.23

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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.