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Finding the Fourth Proportional to 64,950.10, 97,404.90 and 25,519.30

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Solution

The fourth proportional to 64,950.10, 97,404.90 and 25,519.30 is: 38,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950.10 : 97,404.90 = 25,519.30 : x
  2. Step 2: Convert to fraction form
    64,950.10/97,404.90 = 25,519.30/x
  3. Step 3: Cross multiply
    64,950.10x = 97,404.90 × 25,519.30
  4. Step 4: Simplify right side
    64,950.10x = 2,485,704,864.57
  5. Step 5: Solve for x
    x = 2,485,704,864.57/64,950.10
  6. Step 6: Final answer
    x = 38,270.99

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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.