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Finding the Fourth Proportional to 45,371.52, 67,980.48 and 27,804.72

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Solution

The fourth proportional to 45,371.52, 67,980.48 and 27,804.72 is: 41,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.52 : 67,980.48 = 27,804.72 : x
  2. Step 2: Convert to fraction form
    45,371.52/67,980.48 = 27,804.72/x
  3. Step 3: Cross multiply
    45,371.52x = 67,980.48 × 27,804.72
  4. Step 4: Simplify right side
    45,371.52x = 1,890,178,211.87
  5. Step 5: Solve for x
    x = 1,890,178,211.87/45,371.52
  6. Step 6: Final answer
    x = 41,660.02

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1.5x scale

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.