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Finding the Fourth Proportional to 5,919.60, 8,886.60 and 2,996.40

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Solution

The fourth proportional to 5,919.60, 8,886.60 and 2,996.40 is: 4,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.60 : 8,886.60 = 2,996.40 : x
  2. Step 2: Convert to fraction form
    5,919.60/8,886.60 = 2,996.40/x
  3. Step 3: Cross multiply
    5,919.60x = 8,886.60 × 2,996.40
  4. Step 4: Simplify right side
    5,919.60x = 26,627,808.24
  5. Step 5: Solve for x
    x = 26,627,808.24/5,919.60
  6. Step 6: Final answer
    x = 4,498.24

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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.