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Finding the Fourth Proportional to 7,562.42, 11,345.43 and 7,436.88

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Solution

The fourth proportional to 7,562.42, 11,345.43 and 7,436.88 is: 11,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.42 : 11,345.43 = 7,436.88 : x
  2. Step 2: Convert to fraction form
    7,562.42/11,345.43 = 7,436.88/x
  3. Step 3: Cross multiply
    7,562.42x = 11,345.43 × 7,436.88
  4. Step 4: Simplify right side
    7,562.42x = 84,374,601.46
  5. Step 5: Solve for x
    x = 84,374,601.46/7,562.42
  6. Step 6: Final answer
    x = 11,157.10

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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.