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Finding the Fourth Proportional to 45,366.66, 67,980.69 and 19,057.02

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Solution

The fourth proportional to 45,366.66, 67,980.69 and 19,057.02 is: 28,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,366.66 : 67,980.69 = 19,057.02 : x
  2. Step 2: Convert to fraction form
    45,366.66/67,980.69 = 19,057.02/x
  3. Step 3: Cross multiply
    45,366.66x = 67,980.69 × 19,057.02
  4. Step 4: Simplify right side
    45,366.66x = 1,295,509,368.94
  5. Step 5: Solve for x
    x = 1,295,509,368.94/45,366.66
  6. Step 6: Final answer
    x = 28,556.42

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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.