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Finding the Fourth Proportional to 17,768.16, 24,520.20 and 9,810.60

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Solution

The fourth proportional to 17,768.16, 24,520.20 and 9,810.60 is: 13,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.16 : 24,520.20 = 9,810.60 : x
  2. Step 2: Convert to fraction form
    17,768.16/24,520.20 = 9,810.60/x
  3. Step 3: Cross multiply
    17,768.16x = 24,520.20 × 9,810.60
  4. Step 4: Simplify right side
    17,768.16x = 240,557,874.12
  5. Step 5: Solve for x
    x = 240,557,874.12/17,768.16
  6. Step 6: Final answer
    x = 13,538.70

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