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Finding the Fourth Proportional to 4,331.88, 5,978.16 and 2,468.88

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Solution

The fourth proportional to 4,331.88, 5,978.16 and 2,468.88 is: 3,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.88 : 5,978.16 = 2,468.88 : x
  2. Step 2: Convert to fraction form
    4,331.88/5,978.16 = 2,468.88/x
  3. Step 3: Cross multiply
    4,331.88x = 5,978.16 × 2,468.88
  4. Step 4: Simplify right side
    4,331.88x = 14,759,359.66
  5. Step 5: Solve for x
    x = 14,759,359.66/4,331.88
  6. Step 6: Final answer
    x = 3,407.15

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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.