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Finding the Fourth Proportional to 23,909.95, 35,869.02 and 7,271.64

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Solution

The fourth proportional to 23,909.95, 35,869.02 and 7,271.64 is: 10,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.95 : 35,869.02 = 7,271.64 : x
  2. Step 2: Convert to fraction form
    23,909.95/35,869.02 = 7,271.64/x
  3. Step 3: Cross multiply
    23,909.95x = 35,869.02 × 7,271.64
  4. Step 4: Simplify right side
    23,909.95x = 260,826,600.59
  5. Step 5: Solve for x
    x = 260,826,600.59/23,909.95
  6. Step 6: Final answer
    x = 10,908.71

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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.