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Finding the Fourth Proportional to 37,490.60, 56,235.83 and 9,788.60

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Solution

The fourth proportional to 37,490.60, 56,235.83 and 9,788.60 is: 14,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,490.60 : 56,235.83 = 9,788.60 : x
  2. Step 2: Convert to fraction form
    37,490.60/56,235.83 = 9,788.60/x
  3. Step 3: Cross multiply
    37,490.60x = 56,235.83 × 9,788.60
  4. Step 4: Simplify right side
    37,490.60x = 550,469,715.42
  5. Step 5: Solve for x
    x = 550,469,715.42/37,490.60
  6. Step 6: Final answer
    x = 14,682.87

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1.5x scale

Why These Related Problems?

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