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Finding the Fourth Proportional to 58,858.49, 88,343.21 and 21,454.71

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Solution

The fourth proportional to 58,858.49, 88,343.21 and 21,454.71 is: 32,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.49 : 88,343.21 = 21,454.71 : x
  2. Step 2: Convert to fraction form
    58,858.49/88,343.21 = 21,454.71/x
  3. Step 3: Cross multiply
    58,858.49x = 88,343.21 × 21,454.71
  4. Step 4: Simplify right side
    58,858.49x = 1,895,378,004.66
  5. Step 5: Solve for x
    x = 1,895,378,004.66/58,858.49
  6. Step 6: Final answer
    x = 32,202.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.