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Finding the Fourth Proportional to 58,881.88, 88,346.42 and 21,444.56

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Solution

The fourth proportional to 58,881.88, 88,346.42 and 21,444.56 is: 32,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.88 : 88,346.42 = 21,444.56 : x
  2. Step 2: Convert to fraction form
    58,881.88/88,346.42 = 21,444.56/x
  3. Step 3: Cross multiply
    58,881.88x = 88,346.42 × 21,444.56
  4. Step 4: Simplify right side
    58,881.88x = 1,894,550,104.48
  5. Step 5: Solve for x
    x = 1,894,550,104.48/58,881.88
  6. Step 6: Final answer
    x = 32,175.44

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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.