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Finding the Fourth Proportional to 63,508.13, 87,621.27 and 36,647.11

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Solution

The fourth proportional to 63,508.13, 87,621.27 and 36,647.11 is: 50,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.13 : 87,621.27 = 36,647.11 : x
  2. Step 2: Convert to fraction form
    63,508.13/87,621.27 = 36,647.11/x
  3. Step 3: Cross multiply
    63,508.13x = 87,621.27 × 36,647.11
  4. Step 4: Simplify right side
    63,508.13x = 3,211,066,320.03
  5. Step 5: Solve for x
    x = 3,211,066,320.03/63,508.13
  6. Step 6: Final answer
    x = 50,561.50

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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.