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Finding the Fourth Proportional to 39,357.36, 58,919.04 and 39,305.52

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Solution

The fourth proportional to 39,357.36, 58,919.04 and 39,305.52 is: 58,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.36 : 58,919.04 = 39,305.52 : x
  2. Step 2: Convert to fraction form
    39,357.36/58,919.04 = 39,305.52/x
  3. Step 3: Cross multiply
    39,357.36x = 58,919.04 × 39,305.52
  4. Step 4: Simplify right side
    39,357.36x = 2,315,843,505.10
  5. Step 5: Solve for x
    x = 2,315,843,505.10/39,357.36
  6. Step 6: Final answer
    x = 58,841.43

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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.