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Finding the Fourth Proportional to 63,122.94, 87,109.47 and 34,828.65

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Solution

The fourth proportional to 63,122.94, 87,109.47 and 34,828.65 is: 48,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.94 : 87,109.47 = 34,828.65 : x
  2. Step 2: Convert to fraction form
    63,122.94/87,109.47 = 34,828.65/x
  3. Step 3: Cross multiply
    63,122.94x = 87,109.47 × 34,828.65
  4. Step 4: Simplify right side
    63,122.94x = 3,033,905,242.32
  5. Step 5: Solve for x
    x = 3,033,905,242.32/63,122.94
  6. Step 6: Final answer
    x = 48,063.43

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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.