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Finding the Fourth Proportional to 16,661.10, 24,991.65 and 12,773.10

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Solution

The fourth proportional to 16,661.10, 24,991.65 and 12,773.10 is: 19,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.10 : 24,991.65 = 12,773.10 : x
  2. Step 2: Convert to fraction form
    16,661.10/24,991.65 = 12,773.10/x
  3. Step 3: Cross multiply
    16,661.10x = 24,991.65 × 12,773.10
  4. Step 4: Simplify right side
    16,661.10x = 319,220,844.62
  5. Step 5: Solve for x
    x = 319,220,844.62/16,661.10
  6. Step 6: Final answer
    x = 19,159.65

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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.