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Finding the Fourth Proportional to 63,399.38, 87,490.98 and 36,541.67

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Solution

The fourth proportional to 63,399.38, 87,490.98 and 36,541.67 is: 50,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,399.38 : 87,490.98 = 36,541.67 : x
  2. Step 2: Convert to fraction form
    63,399.38/87,490.98 = 36,541.67/x
  3. Step 3: Cross multiply
    63,399.38x = 87,490.98 × 36,541.67
  4. Step 4: Simplify right side
    63,399.38x = 3,197,066,081.68
  5. Step 5: Solve for x
    x = 3,197,066,081.68/63,399.38
  6. Step 6: Final answer
    x = 50,427.41

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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.