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Finding the Fourth Proportional to 58,897.89, 81,266.24 and 33,398.51

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Solution

The fourth proportional to 58,897.89, 81,266.24 and 33,398.51 is: 46,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,897.89 : 81,266.24 = 33,398.51 : x
  2. Step 2: Convert to fraction form
    58,897.89/81,266.24 = 33,398.51/x
  3. Step 3: Cross multiply
    58,897.89x = 81,266.24 × 33,398.51
  4. Step 4: Simplify right side
    58,897.89x = 2,714,170,755.98
  5. Step 5: Solve for x
    x = 2,714,170,755.98/58,897.89
  6. Step 6: Final answer
    x = 46,082.65

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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.