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Finding the Fourth Proportional to 64,690.95, 97,036.41 and 17,943.82

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Solution

The fourth proportional to 64,690.95, 97,036.41 and 17,943.82 is: 26,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,690.95 : 97,036.41 = 17,943.82 : x
  2. Step 2: Convert to fraction form
    64,690.95/97,036.41 = 17,943.82/x
  3. Step 3: Cross multiply
    64,690.95x = 97,036.41 × 17,943.82
  4. Step 4: Simplify right side
    64,690.95x = 1,741,203,874.49
  5. Step 5: Solve for x
    x = 1,741,203,874.49/64,690.95
  6. Step 6: Final answer
    x = 26,915.73

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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.