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Finding the Fourth Proportional to 17,808.60, 26,704.80 and 9,486.48

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Solution

The fourth proportional to 17,808.60, 26,704.80 and 9,486.48 is: 14,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.60 : 26,704.80 = 9,486.48 : x
  2. Step 2: Convert to fraction form
    17,808.60/26,704.80 = 9,486.48/x
  3. Step 3: Cross multiply
    17,808.60x = 26,704.80 × 9,486.48
  4. Step 4: Simplify right side
    17,808.60x = 253,334,551.10
  5. Step 5: Solve for x
    x = 253,334,551.10/17,808.60
  6. Step 6: Final answer
    x = 14,225.41

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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.