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Finding the Fourth Proportional to 39,443.99, 59,115.29 and 34,357.30

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Solution

The fourth proportional to 39,443.99, 59,115.29 and 34,357.30 is: 51,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443.99 : 59,115.29 = 34,357.30 : x
  2. Step 2: Convert to fraction form
    39,443.99/59,115.29 = 34,357.30/x
  3. Step 3: Cross multiply
    39,443.99x = 59,115.29 × 34,357.30
  4. Step 4: Simplify right side
    39,443.99x = 2,031,041,433.54
  5. Step 5: Solve for x
    x = 2,031,041,433.54/39,443.99
  6. Step 6: Final answer
    x = 51,491.79

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1.5x scale

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.