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Finding the Fourth Proportional to 58,671, 88,004.10 and 21,231.96

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Solution

The fourth proportional to 58,671, 88,004.10 and 21,231.96 is: 31,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671 : 88,004.10 = 21,231.96 : x
  2. Step 2: Convert to fraction form
    58,671/88,004.10 = 21,231.96/x
  3. Step 3: Cross multiply
    58,671x = 88,004.10 × 21,231.96
  4. Step 4: Simplify right side
    58,671x = 1,868,499,531.04
  5. Step 5: Solve for x
    x = 1,868,499,531.04/58,671
  6. Step 6: Final answer
    x = 31,847.07

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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.