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Finding the Fourth Proportional to 8,288.61, 12,432.92 and 3,094.89

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Solution

The fourth proportional to 8,288.61, 12,432.92 and 3,094.89 is: 4,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.61 : 12,432.92 = 3,094.89 : x
  2. Step 2: Convert to fraction form
    8,288.61/12,432.92 = 3,094.89/x
  3. Step 3: Cross multiply
    8,288.61x = 12,432.92 × 3,094.89
  4. Step 4: Simplify right side
    8,288.61x = 38,478,504.30
  5. Step 5: Solve for x
    x = 38,478,504.30/8,288.61
  6. Step 6: Final answer
    x = 4,642.34

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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.