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Finding the Fourth Proportional to 63,213.59, 87,237.41 and 36,356.12

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Solution

The fourth proportional to 63,213.59, 87,237.41 and 36,356.12 is: 50,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.59 : 87,237.41 = 36,356.12 : x
  2. Step 2: Convert to fraction form
    63,213.59/87,237.41 = 36,356.12/x
  3. Step 3: Cross multiply
    63,213.59x = 87,237.41 × 36,356.12
  4. Step 4: Simplify right side
    63,213.59x = 3,171,613,746.45
  5. Step 5: Solve for x
    x = 3,171,613,746.45/63,213.59
  6. Step 6: Final answer
    x = 50,172.97

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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.