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Finding the Fourth Proportional to 64,963.40, 97,372.20 and 36,896.90

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Solution

The fourth proportional to 64,963.40, 97,372.20 and 36,896.90 is: 55,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,963.40 : 97,372.20 = 36,896.90 : x
  2. Step 2: Convert to fraction form
    64,963.40/97,372.20 = 36,896.90/x
  3. Step 3: Cross multiply
    64,963.40x = 97,372.20 × 36,896.90
  4. Step 4: Simplify right side
    64,963.40x = 3,592,732,326.18
  5. Step 5: Solve for x
    x = 3,592,732,326.18/64,963.40
  6. Step 6: Final answer
    x = 55,303.95

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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.