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Finding the Fourth Proportional to 16,643.01, 22,967.30 and 9,928.92

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Solution

The fourth proportional to 16,643.01, 22,967.30 and 9,928.92 is: 13,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.01 : 22,967.30 = 9,928.92 : x
  2. Step 2: Convert to fraction form
    16,643.01/22,967.30 = 9,928.92/x
  3. Step 3: Cross multiply
    16,643.01x = 22,967.30 × 9,928.92
  4. Step 4: Simplify right side
    16,643.01x = 228,040,566.56
  5. Step 5: Solve for x
    x = 228,040,566.56/16,643.01
  6. Step 6: Final answer
    x = 13,701.88

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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.