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Finding the Fourth Proportional to 8,565.35, 12,848.42 and 2,722.01

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Solution

The fourth proportional to 8,565.35, 12,848.42 and 2,722.01 is: 4,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.35 : 12,848.42 = 2,722.01 : x
  2. Step 2: Convert to fraction form
    8,565.35/12,848.42 = 2,722.01/x
  3. Step 3: Cross multiply
    8,565.35x = 12,848.42 × 2,722.01
  4. Step 4: Simplify right side
    8,565.35x = 34,973,470.29
  5. Step 5: Solve for x
    x = 34,973,470.29/8,565.35
  6. Step 6: Final answer
    x = 4,083.14

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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.