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Finding the Fourth Proportional to 64,082.88, 96,116.64 and 17,339.40

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Solution

The fourth proportional to 64,082.88, 96,116.64 and 17,339.40 is: 26,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.88 : 96,116.64 = 17,339.40 : x
  2. Step 2: Convert to fraction form
    64,082.88/96,116.64 = 17,339.40/x
  3. Step 3: Cross multiply
    64,082.88x = 96,116.64 × 17,339.40
  4. Step 4: Simplify right side
    64,082.88x = 1,666,604,867.62
  5. Step 5: Solve for x
    x = 1,666,604,867.62/64,082.88
  6. Step 6: Final answer
    x = 26,007.02

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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.