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Finding the Fourth Proportional to 6,237.78, 8,607.77 and 3,404.59

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Solution

The fourth proportional to 6,237.78, 8,607.77 and 3,404.59 is: 4,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.78 : 8,607.77 = 3,404.59 : x
  2. Step 2: Convert to fraction form
    6,237.78/8,607.77 = 3,404.59/x
  3. Step 3: Cross multiply
    6,237.78x = 8,607.77 × 3,404.59
  4. Step 4: Simplify right side
    6,237.78x = 29,305,904.14
  5. Step 5: Solve for x
    x = 29,305,904.14/6,237.78
  6. Step 6: Final answer
    x = 4,698.13

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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.