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Finding the Fourth Proportional to 55,593.92, 76,719.63 and 30,100.28

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Solution

The fourth proportional to 55,593.92, 76,719.63 and 30,100.28 is: 41,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.92 : 76,719.63 = 30,100.28 : x
  2. Step 2: Convert to fraction form
    55,593.92/76,719.63 = 30,100.28/x
  3. Step 3: Cross multiply
    55,593.92x = 76,719.63 × 30,100.28
  4. Step 4: Simplify right side
    55,593.92x = 2,309,281,960.90
  5. Step 5: Solve for x
    x = 2,309,281,960.90/55,593.92
  6. Step 6: Final answer
    x = 41,538.39

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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.