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Finding the Fourth Proportional to 59,466.30, 82,067.30 and 39,287.79

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Solution

The fourth proportional to 59,466.30, 82,067.30 and 39,287.79 is: 54,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,466.30 : 82,067.30 = 39,287.79 : x
  2. Step 2: Convert to fraction form
    59,466.30/82,067.30 = 39,287.79/x
  3. Step 3: Cross multiply
    59,466.30x = 82,067.30 × 39,287.79
  4. Step 4: Simplify right side
    59,466.30x = 3,224,242,651.83
  5. Step 5: Solve for x
    x = 3,224,242,651.83/59,466.30
  6. Step 6: Final answer
    x = 54,219.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.