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Finding the Fourth Proportional to 8,748.91, 12,073.65 and 4,770.19

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Solution

The fourth proportional to 8,748.91, 12,073.65 and 4,770.19 is: 6,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.91 : 12,073.65 = 4,770.19 : x
  2. Step 2: Convert to fraction form
    8,748.91/12,073.65 = 4,770.19/x
  3. Step 3: Cross multiply
    8,748.91x = 12,073.65 × 4,770.19
  4. Step 4: Simplify right side
    8,748.91x = 57,593,604.49
  5. Step 5: Solve for x
    x = 57,593,604.49/8,748.91
  6. Step 6: Final answer
    x = 6,582.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.