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Finding the Fourth Proportional to 60,828.76, 91,219.92 and 29,230

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Solution

The fourth proportional to 60,828.76, 91,219.92 and 29,230 is: 43,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,828.76 : 91,219.92 = 29,230 : x
  2. Step 2: Convert to fraction form
    60,828.76/91,219.92 = 29,230/x
  3. Step 3: Cross multiply
    60,828.76x = 91,219.92 × 29,230
  4. Step 4: Simplify right side
    60,828.76x = 2,666,358,261.60
  5. Step 5: Solve for x
    x = 2,666,358,261.60/60,828.76
  6. Step 6: Final answer
    x = 43,833.84

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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.