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Finding the Fourth Proportional to 63,559.69, 87,712.30 and 34,879.51

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Solution

The fourth proportional to 63,559.69, 87,712.30 and 34,879.51 is: 48,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,559.69 : 87,712.30 = 34,879.51 : x
  2. Step 2: Convert to fraction form
    63,559.69/87,712.30 = 34,879.51/x
  3. Step 3: Cross multiply
    63,559.69x = 87,712.30 × 34,879.51
  4. Step 4: Simplify right side
    63,559.69x = 3,059,362,198.21
  5. Step 5: Solve for x
    x = 3,059,362,198.21/63,559.69
  6. Step 6: Final answer
    x = 48,133.69

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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.