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Finding the Fourth Proportional to 58,998.90, 81,418.34 and 32,141.63

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Solution

The fourth proportional to 58,998.90, 81,418.34 and 32,141.63 is: 44,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,998.90 : 81,418.34 = 32,141.63 : x
  2. Step 2: Convert to fraction form
    58,998.90/81,418.34 = 32,141.63/x
  3. Step 3: Cross multiply
    58,998.90x = 81,418.34 × 32,141.63
  4. Step 4: Simplify right side
    58,998.90x = 2,616,917,591.69
  5. Step 5: Solve for x
    x = 2,616,917,591.69/58,998.90
  6. Step 6: Final answer
    x = 44,355.36

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1.5x scale

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.