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Finding the Fourth Proportional to 9,348.48, 12,903.84 and 5,991.84

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Solution

The fourth proportional to 9,348.48, 12,903.84 and 5,991.84 is: 8,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.48 : 12,903.84 = 5,991.84 : x
  2. Step 2: Convert to fraction form
    9,348.48/12,903.84 = 5,991.84/x
  3. Step 3: Cross multiply
    9,348.48x = 12,903.84 × 5,991.84
  4. Step 4: Simplify right side
    9,348.48x = 77,317,744.67
  5. Step 5: Solve for x
    x = 77,317,744.67/9,348.48
  6. Step 6: Final answer
    x = 8,270.62

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Similar ratio
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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.