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Finding the Fourth Proportional to 56,504.92, 77,990.90 and 32,645.44

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Solution

The fourth proportional to 56,504.92, 77,990.90 and 32,645.44 is: 45,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.92 : 77,990.90 = 32,645.44 : x
  2. Step 2: Convert to fraction form
    56,504.92/77,990.90 = 32,645.44/x
  3. Step 3: Cross multiply
    56,504.92x = 77,990.90 × 32,645.44
  4. Step 4: Simplify right side
    56,504.92x = 2,546,047,246.50
  5. Step 5: Solve for x
    x = 2,546,047,246.50/56,504.92
  6. Step 6: Final answer
    x = 45,058.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.