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Finding the Fourth Proportional to 11,666.36, 17,499.54 and 4,741.40

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Solution

The fourth proportional to 11,666.36, 17,499.54 and 4,741.40 is: 7,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.36 : 17,499.54 = 4,741.40 : x
  2. Step 2: Convert to fraction form
    11,666.36/17,499.54 = 4,741.40/x
  3. Step 3: Cross multiply
    11,666.36x = 17,499.54 × 4,741.40
  4. Step 4: Simplify right side
    11,666.36x = 82,972,318.96
  5. Step 5: Solve for x
    x = 82,972,318.96/11,666.36
  6. Step 6: Final answer
    x = 7,112.10

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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.