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Finding the Fourth Proportional to 16,577.70, 24,805.80 and 12,203.70

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Solution

The fourth proportional to 16,577.70, 24,805.80 and 12,203.70 is: 18,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,577.70 : 24,805.80 = 12,203.70 : x
  2. Step 2: Convert to fraction form
    16,577.70/24,805.80 = 12,203.70/x
  3. Step 3: Cross multiply
    16,577.70x = 24,805.80 × 12,203.70
  4. Step 4: Simplify right side
    16,577.70x = 302,722,541.46
  5. Step 5: Solve for x
    x = 302,722,541.46/16,577.70
  6. Step 6: Final answer
    x = 18,260.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.