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Finding the Fourth Proportional to 63,521.87, 87,659.59 and 34,840.95

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Solution

The fourth proportional to 63,521.87, 87,659.59 and 34,840.95 is: 48,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,521.87 : 87,659.59 = 34,840.95 : x
  2. Step 2: Convert to fraction form
    63,521.87/87,659.59 = 34,840.95/x
  3. Step 3: Cross multiply
    63,521.87x = 87,659.59 × 34,840.95
  4. Step 4: Simplify right side
    63,521.87x = 3,054,143,218.01
  5. Step 5: Solve for x
    x = 3,054,143,218.01/63,521.87
  6. Step 6: Final answer
    x = 48,080.18

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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.