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Finding the Fourth Proportional to 10,917.04, 16,373.96 and 5,368.89

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Solution

The fourth proportional to 10,917.04, 16,373.96 and 5,368.89 is: 8,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.04 : 16,373.96 = 5,368.89 : x
  2. Step 2: Convert to fraction form
    10,917.04/16,373.96 = 5,368.89/x
  3. Step 3: Cross multiply
    10,917.04x = 16,373.96 × 5,368.89
  4. Step 4: Simplify right side
    10,917.04x = 87,909,963.26
  5. Step 5: Solve for x
    x = 87,909,963.26/10,917.04
  6. Step 6: Final answer
    x = 8,052.55

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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.