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Finding the Fourth Proportional to 8,663.70, 12,996.27 and 3,466.74

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Solution

The fourth proportional to 8,663.70, 12,996.27 and 3,466.74 is: 5,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.70 : 12,996.27 = 3,466.74 : x
  2. Step 2: Convert to fraction form
    8,663.70/12,996.27 = 3,466.74/x
  3. Step 3: Cross multiply
    8,663.70x = 12,996.27 × 3,466.74
  4. Step 4: Simplify right side
    8,663.70x = 45,054,689.06
  5. Step 5: Solve for x
    x = 45,054,689.06/8,663.70
  6. Step 6: Final answer
    x = 5,200.40

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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.