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Finding the Fourth Proportional to 17,808.55, 24,575.02 and 9,742.02

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Solution

The fourth proportional to 17,808.55, 24,575.02 and 9,742.02 is: 13,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.55 : 24,575.02 = 9,742.02 : x
  2. Step 2: Convert to fraction form
    17,808.55/24,575.02 = 9,742.02/x
  3. Step 3: Cross multiply
    17,808.55x = 24,575.02 × 9,742.02
  4. Step 4: Simplify right side
    17,808.55x = 239,410,336.34
  5. Step 5: Solve for x
    x = 239,410,336.34/17,808.55
  6. Step 6: Final answer
    x = 13,443.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.