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Finding the Fourth Proportional to 7,377.60, 11,066.16 and 2,993.88

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Solution

The fourth proportional to 7,377.60, 11,066.16 and 2,993.88 is: 4,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.60 : 11,066.16 = 2,993.88 : x
  2. Step 2: Convert to fraction form
    7,377.60/11,066.16 = 2,993.88/x
  3. Step 3: Cross multiply
    7,377.60x = 11,066.16 × 2,993.88
  4. Step 4: Simplify right side
    7,377.60x = 33,130,755.10
  5. Step 5: Solve for x
    x = 33,130,755.10/7,377.60
  6. Step 6: Final answer
    x = 4,490.72

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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.