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Finding the Fourth Proportional to 8,994.40, 13,491.60 and 5,697.70

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Solution

The fourth proportional to 8,994.40, 13,491.60 and 5,697.70 is: 8,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.40 : 13,491.60 = 5,697.70 : x
  2. Step 2: Convert to fraction form
    8,994.40/13,491.60 = 5,697.70/x
  3. Step 3: Cross multiply
    8,994.40x = 13,491.60 × 5,697.70
  4. Step 4: Simplify right side
    8,994.40x = 76,871,089.32
  5. Step 5: Solve for x
    x = 76,871,089.32/8,994.40
  6. Step 6: Final answer
    x = 8,546.55

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Similar ratio
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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.