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Finding the Fourth Proportional to 8,805.15, 13,208.42 and 2,565.26

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Solution

The fourth proportional to 8,805.15, 13,208.42 and 2,565.26 is: 3,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.15 : 13,208.42 = 2,565.26 : x
  2. Step 2: Convert to fraction form
    8,805.15/13,208.42 = 2,565.26/x
  3. Step 3: Cross multiply
    8,805.15x = 13,208.42 × 2,565.26
  4. Step 4: Simplify right side
    8,805.15x = 33,883,031.49
  5. Step 5: Solve for x
    x = 33,883,031.49/8,805.15
  6. Step 6: Final answer
    x = 3,848.09

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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.