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Finding the Fourth Proportional to 52,000.84, 71,761.17 and 28,127.51

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Solution

The fourth proportional to 52,000.84, 71,761.17 and 28,127.51 is: 38,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,000.84 : 71,761.17 = 28,127.51 : x
  2. Step 2: Convert to fraction form
    52,000.84/71,761.17 = 28,127.51/x
  3. Step 3: Cross multiply
    52,000.84x = 71,761.17 × 28,127.51
  4. Step 4: Simplify right side
    52,000.84x = 2,018,463,026.79
  5. Step 5: Solve for x
    x = 2,018,463,026.79/52,000.84
  6. Step 6: Final answer
    x = 38,815.97

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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.