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Finding the Fourth Proportional to 45,324.32, 68,029.71 and 27,828.32

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Solution

The fourth proportional to 45,324.32, 68,029.71 and 27,828.32 is: 41,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.32 : 68,029.71 = 27,828.32 : x
  2. Step 2: Convert to fraction form
    45,324.32/68,029.71 = 27,828.32/x
  3. Step 3: Cross multiply
    45,324.32x = 68,029.71 × 27,828.32
  4. Step 4: Simplify right side
    45,324.32x = 1,893,152,539.39
  5. Step 5: Solve for x
    x = 1,893,152,539.39/45,324.32
  6. Step 6: Final answer
    x = 41,769.02

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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.