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Finding the Fourth Proportional to 16,625.54, 22,941.68 and 9,909.83

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Solution

The fourth proportional to 16,625.54, 22,941.68 and 9,909.83 is: 13,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,625.54 : 22,941.68 = 9,909.83 : x
  2. Step 2: Convert to fraction form
    16,625.54/22,941.68 = 9,909.83/x
  3. Step 3: Cross multiply
    16,625.54x = 22,941.68 × 9,909.83
  4. Step 4: Simplify right side
    16,625.54x = 227,347,984.46
  5. Step 5: Solve for x
    x = 227,347,984.46/16,625.54
  6. Step 6: Final answer
    x = 13,674.63

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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.