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Finding the Fourth Proportional to 37,458.84, 56,169.31 and 12,490.14

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Solution

The fourth proportional to 37,458.84, 56,169.31 and 12,490.14 is: 18,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,458.84 : 56,169.31 = 12,490.14 : x
  2. Step 2: Convert to fraction form
    37,458.84/56,169.31 = 12,490.14/x
  3. Step 3: Cross multiply
    37,458.84x = 56,169.31 × 12,490.14
  4. Step 4: Simplify right side
    37,458.84x = 701,562,545.60
  5. Step 5: Solve for x
    x = 701,562,545.60/37,458.84
  6. Step 6: Final answer
    x = 18,728.89

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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.