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Finding the Fourth Proportional to 4,888.08, 6,742.53 and 2,999.97

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Solution

The fourth proportional to 4,888.08, 6,742.53 and 2,999.97 is: 4,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.08 : 6,742.53 = 2,999.97 : x
  2. Step 2: Convert to fraction form
    4,888.08/6,742.53 = 2,999.97/x
  3. Step 3: Cross multiply
    4,888.08x = 6,742.53 × 2,999.97
  4. Step 4: Simplify right side
    4,888.08x = 20,227,387.72
  5. Step 5: Solve for x
    x = 20,227,387.72/4,888.08
  6. Step 6: Final answer
    x = 4,138.10

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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.