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Finding the Fourth Proportional to 37,697.50, 56,551.95 and 12,388.60

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Solution

The fourth proportional to 37,697.50, 56,551.95 and 12,388.60 is: 18,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,697.50 : 56,551.95 = 12,388.60 : x
  2. Step 2: Convert to fraction form
    37,697.50/56,551.95 = 12,388.60/x
  3. Step 3: Cross multiply
    37,697.50x = 56,551.95 × 12,388.60
  4. Step 4: Simplify right side
    37,697.50x = 700,599,205.51
  5. Step 5: Solve for x
    x = 700,599,205.51/37,697.50
  6. Step 6: Final answer
    x = 18,584.77

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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.