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Finding the Fourth Proportional to 63,063, 87,026.94 and 34,769.28

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Solution

The fourth proportional to 63,063, 87,026.94 and 34,769.28 is: 47,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,063 : 87,026.94 = 34,769.28 : x
  2. Step 2: Convert to fraction form
    63,063/87,026.94 = 34,769.28/x
  3. Step 3: Cross multiply
    63,063x = 87,026.94 × 34,769.28
  4. Step 4: Simplify right side
    63,063x = 3,025,864,044.40
  5. Step 5: Solve for x
    x = 3,025,864,044.40/63,063
  6. Step 6: Final answer
    x = 47,981.61

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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.