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Finding the Fourth Proportional to 63,069.03, 87,037.34 and 36,216.32

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Solution

The fourth proportional to 63,069.03, 87,037.34 and 36,216.32 is: 49,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,069.03 : 87,037.34 = 36,216.32 : x
  2. Step 2: Convert to fraction form
    63,069.03/87,037.34 = 36,216.32/x
  3. Step 3: Cross multiply
    63,069.03x = 87,037.34 × 36,216.32
  4. Step 4: Simplify right side
    63,069.03x = 3,152,171,541.12
  5. Step 5: Solve for x
    x = 3,152,171,541.12/63,069.03
  6. Step 6: Final answer
    x = 49,979.71

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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.