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Finding the Fourth Proportional to 64,663.32, 96,995.10 and 17,916.32

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Solution

The fourth proportional to 64,663.32, 96,995.10 and 17,916.32 is: 26,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663.32 : 96,995.10 = 17,916.32 : x
  2. Step 2: Convert to fraction form
    64,663.32/96,995.10 = 17,916.32/x
  3. Step 3: Cross multiply
    64,663.32x = 96,995.10 × 17,916.32
  4. Step 4: Simplify right side
    64,663.32x = 1,737,795,250.03
  5. Step 5: Solve for x
    x = 1,737,795,250.03/64,663.32
  6. Step 6: Final answer
    x = 26,874.51

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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.