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Finding the Fourth Proportional to 64,505.17, 89,014.17 and 35,826.66

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Solution

The fourth proportional to 64,505.17, 89,014.17 and 35,826.66 is: 49,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505.17 : 89,014.17 = 35,826.66 : x
  2. Step 2: Convert to fraction form
    64,505.17/89,014.17 = 35,826.66/x
  3. Step 3: Cross multiply
    64,505.17x = 89,014.17 × 35,826.66
  4. Step 4: Simplify right side
    64,505.17x = 3,189,080,538.12
  5. Step 5: Solve for x
    x = 3,189,080,538.12/64,505.17
  6. Step 6: Final answer
    x = 49,439.15

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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.