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Finding the Fourth Proportional to 37,599.87, 56,406.30 and 12,642.30

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Solution

The fourth proportional to 37,599.87, 56,406.30 and 12,642.30 is: 18,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,599.87 : 56,406.30 = 12,642.30 : x
  2. Step 2: Convert to fraction form
    37,599.87/56,406.30 = 12,642.30/x
  3. Step 3: Cross multiply
    37,599.87x = 56,406.30 × 12,642.30
  4. Step 4: Simplify right side
    37,599.87x = 713,105,366.49
  5. Step 5: Solve for x
    x = 713,105,366.49/37,599.87
  6. Step 6: Final answer
    x = 18,965.63

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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.