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Finding the Fourth Proportional to 55,820.99, 77,013.92 and 34,592.51

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Solution

The fourth proportional to 55,820.99, 77,013.92 and 34,592.51 is: 47,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.99 : 77,013.92 = 34,592.51 : x
  2. Step 2: Convert to fraction form
    55,820.99/77,013.92 = 34,592.51/x
  3. Step 3: Cross multiply
    55,820.99x = 77,013.92 × 34,592.51
  4. Step 4: Simplify right side
    55,820.99x = 2,664,104,624.78
  5. Step 5: Solve for x
    x = 2,664,104,624.78/55,820.99
  6. Step 6: Final answer
    x = 47,725.86

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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.