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Finding the Fourth Proportional to 8,508.93, 12,752.46 and 3,571.79

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Solution

The fourth proportional to 8,508.93, 12,752.46 and 3,571.79 is: 5,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.93 : 12,752.46 = 3,571.79 : x
  2. Step 2: Convert to fraction form
    8,508.93/12,752.46 = 3,571.79/x
  3. Step 3: Cross multiply
    8,508.93x = 12,752.46 × 3,571.79
  4. Step 4: Simplify right side
    8,508.93x = 45,549,045.34
  5. Step 5: Solve for x
    x = 45,549,045.34/8,508.93
  6. Step 6: Final answer
    x = 5,353.09

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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.