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Finding the Fourth Proportional to 5,574.90, 8,363.74 and 3,934.65

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Solution

The fourth proportional to 5,574.90, 8,363.74 and 3,934.65 is: 5,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.90 : 8,363.74 = 3,934.65 : x
  2. Step 2: Convert to fraction form
    5,574.90/8,363.74 = 3,934.65/x
  3. Step 3: Cross multiply
    5,574.90x = 8,363.74 × 3,934.65
  4. Step 4: Simplify right side
    5,574.90x = 32,908,389.59
  5. Step 5: Solve for x
    x = 32,908,389.59/5,574.90
  6. Step 6: Final answer
    x = 5,902.96

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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.