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Finding the Fourth Proportional to 16,041.79, 22,138.86 and 8,967.79

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Solution

The fourth proportional to 16,041.79, 22,138.86 and 8,967.79 is: 12,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,041.79 : 22,138.86 = 8,967.79 : x
  2. Step 2: Convert to fraction form
    16,041.79/22,138.86 = 8,967.79/x
  3. Step 3: Cross multiply
    16,041.79x = 22,138.86 × 8,967.79
  4. Step 4: Simplify right side
    16,041.79x = 198,536,647.32
  5. Step 5: Solve for x
    x = 198,536,647.32/16,041.79
  6. Step 6: Final answer
    x = 12,376.22

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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.