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Finding the Fourth Proportional to 60,804.54, 91,220.86 and 19,251.54

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Solution

The fourth proportional to 60,804.54, 91,220.86 and 19,251.54 is: 28,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,804.54 : 91,220.86 = 19,251.54 : x
  2. Step 2: Convert to fraction form
    60,804.54/91,220.86 = 19,251.54/x
  3. Step 3: Cross multiply
    60,804.54x = 91,220.86 × 19,251.54
  4. Step 4: Simplify right side
    60,804.54x = 1,756,142,035.12
  5. Step 5: Solve for x
    x = 1,756,142,035.12/60,804.54
  6. Step 6: Final answer
    x = 28,881.76

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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.