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Finding the Fourth Proportional to 73,540.36, 101,589.06 and 65,580.04

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Solution

The fourth proportional to 73,540.36, 101,589.06 and 65,580.04 is: 90,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,540.36 : 101,589.06 = 65,580.04 : x
  2. Step 2: Convert to fraction form
    73,540.36/101,589.06 = 65,580.04/x
  3. Step 3: Cross multiply
    73,540.36x = 101,589.06 × 65,580.04
  4. Step 4: Simplify right side
    73,540.36x = 6,662,214,618.36
  5. Step 5: Solve for x
    x = 6,662,214,618.36/73,540.36
  6. Step 6: Final answer
    x = 90,592.63

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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.