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Finding the Fourth Proportional to 65,541.11, 90,454.16 and 36,472.37

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Solution

The fourth proportional to 65,541.11, 90,454.16 and 36,472.37 is: 50,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,541.11 : 90,454.16 = 36,472.37 : x
  2. Step 2: Convert to fraction form
    65,541.11/90,454.16 = 36,472.37/x
  3. Step 3: Cross multiply
    65,541.11x = 90,454.16 × 36,472.37
  4. Step 4: Simplify right side
    65,541.11x = 3,299,077,230.47
  5. Step 5: Solve for x
    x = 3,299,077,230.47/65,541.11
  6. Step 6: Final answer
    x = 50,336.00

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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.