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Finding the Fourth Proportional to 64,709.66, 97,065.03 and 17,966.18

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Solution

The fourth proportional to 64,709.66, 97,065.03 and 17,966.18 is: 26,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,709.66 : 97,065.03 = 17,966.18 : x
  2. Step 2: Convert to fraction form
    64,709.66/97,065.03 = 17,966.18/x
  3. Step 3: Cross multiply
    64,709.66x = 97,065.03 × 17,966.18
  4. Step 4: Simplify right side
    64,709.66x = 1,743,887,800.69
  5. Step 5: Solve for x
    x = 1,743,887,800.69/64,709.66
  6. Step 6: Final answer
    x = 26,949.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.