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Finding the Fourth Proportional to 64,037.80, 96,056.70 and 34,513.30

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Solution

The fourth proportional to 64,037.80, 96,056.70 and 34,513.30 is: 51,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,037.80 : 96,056.70 = 34,513.30 : x
  2. Step 2: Convert to fraction form
    64,037.80/96,056.70 = 34,513.30/x
  3. Step 3: Cross multiply
    64,037.80x = 96,056.70 × 34,513.30
  4. Step 4: Simplify right side
    64,037.80x = 3,315,233,704.11
  5. Step 5: Solve for x
    x = 3,315,233,704.11/64,037.80
  6. Step 6: Final answer
    x = 51,769.95

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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.