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Finding the Fourth Proportional to 43,104, 64,655.88 and 13,524.06

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Solution

The fourth proportional to 43,104, 64,655.88 and 13,524.06 is: 20,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104 : 64,655.88 = 13,524.06 : x
  2. Step 2: Convert to fraction form
    43,104/64,655.88 = 13,524.06/x
  3. Step 3: Cross multiply
    43,104x = 64,655.88 × 13,524.06
  4. Step 4: Simplify right side
    43,104x = 874,410,000.47
  5. Step 5: Solve for x
    x = 874,410,000.47/43,104
  6. Step 6: Final answer
    x = 20,286.05

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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.