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Finding the Fourth Proportional to 64,873.13, 89,524.91 and 35,065.13

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Solution

The fourth proportional to 64,873.13, 89,524.91 and 35,065.13 is: 48,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.13 : 89,524.91 = 35,065.13 : x
  2. Step 2: Convert to fraction form
    64,873.13/89,524.91 = 35,065.13/x
  3. Step 3: Cross multiply
    64,873.13x = 89,524.91 × 35,065.13
  4. Step 4: Simplify right side
    64,873.13x = 3,139,202,247.43
  5. Step 5: Solve for x
    x = 3,139,202,247.43/64,873.13
  6. Step 6: Final answer
    x = 48,389.87

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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.