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Finding the Fourth Proportional to 8,805.41, 13,207.45 and 2,565.47

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Solution

The fourth proportional to 8,805.41, 13,207.45 and 2,565.47 is: 3,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.41 : 13,207.45 = 2,565.47 : x
  2. Step 2: Convert to fraction form
    8,805.41/13,207.45 = 2,565.47/x
  3. Step 3: Cross multiply
    8,805.41x = 13,207.45 × 2,565.47
  4. Step 4: Simplify right side
    8,805.41x = 33,883,316.75
  5. Step 5: Solve for x
    x = 33,883,316.75/8,805.41
  6. Step 6: Final answer
    x = 3,848.01

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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.