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Finding the Fourth Proportional to 58,808.43, 88,212.65 and 21,361.52

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Solution

The fourth proportional to 58,808.43, 88,212.65 and 21,361.52 is: 32,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.43 : 88,212.65 = 21,361.52 : x
  2. Step 2: Convert to fraction form
    58,808.43/88,212.65 = 21,361.52/x
  3. Step 3: Cross multiply
    58,808.43x = 88,212.65 × 21,361.52
  4. Step 4: Simplify right side
    58,808.43x = 1,884,356,400.95
  5. Step 5: Solve for x
    x = 1,884,356,400.95/58,808.43
  6. Step 6: Final answer
    x = 32,042.28

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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.