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Finding the Fourth Proportional to 16,541.80, 22,827.78 and 9,089.80

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Solution

The fourth proportional to 16,541.80, 22,827.78 and 9,089.80 is: 12,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,541.80 : 22,827.78 = 9,089.80 : x
  2. Step 2: Convert to fraction form
    16,541.80/22,827.78 = 9,089.80/x
  3. Step 3: Cross multiply
    16,541.80x = 22,827.78 × 9,089.80
  4. Step 4: Simplify right side
    16,541.80x = 207,499,954.64
  5. Step 5: Solve for x
    x = 207,499,954.64/16,541.80
  6. Step 6: Final answer
    x = 12,543.98

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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.