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Finding the Fourth Proportional to 63,126, 87,115.77 and 34,833.51

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Solution

The fourth proportional to 63,126, 87,115.77 and 34,833.51 is: 48,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126 : 87,115.77 = 34,833.51 : x
  2. Step 2: Convert to fraction form
    63,126/87,115.77 = 34,833.51/x
  3. Step 3: Cross multiply
    63,126x = 87,115.77 × 34,833.51
  4. Step 4: Simplify right side
    63,126x = 3,034,548,045.45
  5. Step 5: Solve for x
    x = 3,034,548,045.45/63,126
  6. Step 6: Final answer
    x = 48,071.29

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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.