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Finding the Fourth Proportional to 8,867.16, 13,305.29 and 5,365.53

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Solution

The fourth proportional to 8,867.16, 13,305.29 and 5,365.53 is: 8,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.16 : 13,305.29 = 5,365.53 : x
  2. Step 2: Convert to fraction form
    8,867.16/13,305.29 = 5,365.53/x
  3. Step 3: Cross multiply
    8,867.16x = 13,305.29 × 5,365.53
  4. Step 4: Simplify right side
    8,867.16x = 71,389,905.83
  5. Step 5: Solve for x
    x = 71,389,905.83/8,867.16
  6. Step 6: Final answer
    x = 8,051.05

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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.