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Finding the Fourth Proportional to 7,404.75, 11,108.75 and 2,477.93

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Solution

The fourth proportional to 7,404.75, 11,108.75 and 2,477.93 is: 3,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.75 : 11,108.75 = 2,477.93 : x
  2. Step 2: Convert to fraction form
    7,404.75/11,108.75 = 2,477.93/x
  3. Step 3: Cross multiply
    7,404.75x = 11,108.75 × 2,477.93
  4. Step 4: Simplify right side
    7,404.75x = 27,526,636.95
  5. Step 5: Solve for x
    x = 27,526,636.95/7,404.75
  6. Step 6: Final answer
    x = 3,717.43

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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.