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Finding the Fourth Proportional to 64,700.28, 96,894.90 and 36,914.04

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Solution

The fourth proportional to 64,700.28, 96,894.90 and 36,914.04 is: 55,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,700.28 : 96,894.90 = 36,914.04 : x
  2. Step 2: Convert to fraction form
    64,700.28/96,894.90 = 36,914.04/x
  3. Step 3: Cross multiply
    64,700.28x = 96,894.90 × 36,914.04
  4. Step 4: Simplify right side
    64,700.28x = 3,576,782,214.40
  5. Step 5: Solve for x
    x = 3,576,782,214.40/64,700.28
  6. Step 6: Final answer
    x = 55,282.33

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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.