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Finding the Fourth Proportional to 9,134.52, 12,605.64 and 4,942.76

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Solution

The fourth proportional to 9,134.52, 12,605.64 and 4,942.76 is: 6,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.52 : 12,605.64 = 4,942.76 : x
  2. Step 2: Convert to fraction form
    9,134.52/12,605.64 = 4,942.76/x
  3. Step 3: Cross multiply
    9,134.52x = 12,605.64 × 4,942.76
  4. Step 4: Simplify right side
    9,134.52x = 62,306,653.17
  5. Step 5: Solve for x
    x = 62,306,653.17/9,134.52
  6. Step 6: Final answer
    x = 6,821.01

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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.