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Finding the Fourth Proportional to 10,854.95, 16,263.81 and 5,928.03

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Solution

The fourth proportional to 10,854.95, 16,263.81 and 5,928.03 is: 8,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.95 : 16,263.81 = 5,928.03 : x
  2. Step 2: Convert to fraction form
    10,854.95/16,263.81 = 5,928.03/x
  3. Step 3: Cross multiply
    10,854.95x = 16,263.81 × 5,928.03
  4. Step 4: Simplify right side
    10,854.95x = 96,412,353.59
  5. Step 5: Solve for x
    x = 96,412,353.59/10,854.95
  6. Step 6: Final answer
    x = 8,881.88

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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.