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Finding the Fourth Proportional to 14,049.88, 21,058.62 and 6,656.20

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Solution

The fourth proportional to 14,049.88, 21,058.62 and 6,656.20 is: 9,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.88 : 21,058.62 = 6,656.20 : x
  2. Step 2: Convert to fraction form
    14,049.88/21,058.62 = 6,656.20/x
  3. Step 3: Cross multiply
    14,049.88x = 21,058.62 × 6,656.20
  4. Step 4: Simplify right side
    14,049.88x = 140,170,386.44
  5. Step 5: Solve for x
    x = 140,170,386.44/14,049.88
  6. Step 6: Final answer
    x = 9,976.63

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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.