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Finding the Fourth Proportional to 11,773.11, 16,238.16 and 11,068.02

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Solution

The fourth proportional to 11,773.11, 16,238.16 and 11,068.02 is: 15,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.11 : 16,238.16 = 11,068.02 : x
  2. Step 2: Convert to fraction form
    11,773.11/16,238.16 = 11,068.02/x
  3. Step 3: Cross multiply
    11,773.11x = 16,238.16 × 11,068.02
  4. Step 4: Simplify right side
    11,773.11x = 179,724,279.64
  5. Step 5: Solve for x
    x = 179,724,279.64/11,773.11
  6. Step 6: Final answer
    x = 15,265.66

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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.