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Finding the Fourth Proportional to 65,141.36, 89,887.51 and 36,462.62

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Solution

The fourth proportional to 65,141.36, 89,887.51 and 36,462.62 is: 50,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,141.36 : 89,887.51 = 36,462.62 : x
  2. Step 2: Convert to fraction form
    65,141.36/89,887.51 = 36,462.62/x
  3. Step 3: Cross multiply
    65,141.36x = 89,887.51 × 36,462.62
  4. Step 4: Simplify right side
    65,141.36x = 3,277,534,211.03
  5. Step 5: Solve for x
    x = 3,277,534,211.03/65,141.36
  6. Step 6: Final answer
    x = 50,314.18

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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.