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Finding the Fourth Proportional to 8,697.94, 13,044.18 and 2,853.18

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Solution

The fourth proportional to 8,697.94, 13,044.18 and 2,853.18 is: 4,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.94 : 13,044.18 = 2,853.18 : x
  2. Step 2: Convert to fraction form
    8,697.94/13,044.18 = 2,853.18/x
  3. Step 3: Cross multiply
    8,697.94x = 13,044.18 × 2,853.18
  4. Step 4: Simplify right side
    8,697.94x = 37,217,393.49
  5. Step 5: Solve for x
    x = 37,217,393.49/8,697.94
  6. Step 6: Final answer
    x = 4,278.87

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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.