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Finding the Fourth Proportional to 16,030.08, 22,122 and 8,956.80

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Solution

The fourth proportional to 16,030.08, 22,122 and 8,956.80 is: 12,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.08 : 22,122 = 8,956.80 : x
  2. Step 2: Convert to fraction form
    16,030.08/22,122 = 8,956.80/x
  3. Step 3: Cross multiply
    16,030.08x = 22,122 × 8,956.80
  4. Step 4: Simplify right side
    16,030.08x = 198,142,329.60
  5. Step 5: Solve for x
    x = 198,142,329.60/16,030.08
  6. Step 6: Final answer
    x = 12,360.66

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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.