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Finding the Fourth Proportional to 5,389.08, 8,080.88 and 2,464.88

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Solution

The fourth proportional to 5,389.08, 8,080.88 and 2,464.88 is: 3,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.08 : 8,080.88 = 2,464.88 : x
  2. Step 2: Convert to fraction form
    5,389.08/8,080.88 = 2,464.88/x
  3. Step 3: Cross multiply
    5,389.08x = 8,080.88 × 2,464.88
  4. Step 4: Simplify right side
    5,389.08x = 19,918,346.77
  5. Step 5: Solve for x
    x = 19,918,346.77/5,389.08
  6. Step 6: Final answer
    x = 3,696.06

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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.