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Finding the Fourth Proportional to 17,368.60, 26,052.92 and 4,220.88

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Solution

The fourth proportional to 17,368.60, 26,052.92 and 4,220.88 is: 6,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.60 : 26,052.92 = 4,220.88 : x
  2. Step 2: Convert to fraction form
    17,368.60/26,052.92 = 4,220.88/x
  3. Step 3: Cross multiply
    17,368.60x = 26,052.92 × 4,220.88
  4. Step 4: Simplify right side
    17,368.60x = 109,966,353.95
  5. Step 5: Solve for x
    x = 109,966,353.95/17,368.60
  6. Step 6: Final answer
    x = 6,331.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.