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Finding the Fourth Proportional to 4,888.52, 6,743.74 and 2,999.48

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Solution

The fourth proportional to 4,888.52, 6,743.74 and 2,999.48 is: 4,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.52 : 6,743.74 = 2,999.48 : x
  2. Step 2: Convert to fraction form
    4,888.52/6,743.74 = 2,999.48/x
  3. Step 3: Cross multiply
    4,888.52x = 6,743.74 × 2,999.48
  4. Step 4: Simplify right side
    4,888.52x = 20,227,713.26
  5. Step 5: Solve for x
    x = 20,227,713.26/4,888.52
  6. Step 6: Final answer
    x = 4,137.80

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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.