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Finding the Fourth Proportional to 14,849.01, 20,490.95 and 8,883.96

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Solution

The fourth proportional to 14,849.01, 20,490.95 and 8,883.96 is: 12,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.01 : 20,490.95 = 8,883.96 : x
  2. Step 2: Convert to fraction form
    14,849.01/20,490.95 = 8,883.96/x
  3. Step 3: Cross multiply
    14,849.01x = 20,490.95 × 8,883.96
  4. Step 4: Simplify right side
    14,849.01x = 182,040,735.74
  5. Step 5: Solve for x
    x = 182,040,735.74/14,849.01
  6. Step 6: Final answer
    x = 12,259.45

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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.