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Finding the Fourth Proportional to 11,374.08, 17,060.16 and 5,218.08

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Solution

The fourth proportional to 11,374.08, 17,060.16 and 5,218.08 is: 7,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.08 : 17,060.16 = 5,218.08 : x
  2. Step 2: Convert to fraction form
    11,374.08/17,060.16 = 5,218.08/x
  3. Step 3: Cross multiply
    11,374.08x = 17,060.16 × 5,218.08
  4. Step 4: Simplify right side
    11,374.08x = 89,021,279.69
  5. Step 5: Solve for x
    x = 89,021,279.69/11,374.08
  6. Step 6: Final answer
    x = 7,826.68

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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.