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Finding the Fourth Proportional to 63,384.57, 87,490.16 and 36,544.99

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Solution

The fourth proportional to 63,384.57, 87,490.16 and 36,544.99 is: 50,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,384.57 : 87,490.16 = 36,544.99 : x
  2. Step 2: Convert to fraction form
    63,384.57/87,490.16 = 36,544.99/x
  3. Step 3: Cross multiply
    63,384.57x = 87,490.16 × 36,544.99
  4. Step 4: Simplify right side
    63,384.57x = 3,197,327,022.30
  5. Step 5: Solve for x
    x = 3,197,327,022.30/63,384.57
  6. Step 6: Final answer
    x = 50,443.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.