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Finding the Fourth Proportional to 55,593.76, 83,353.44 and 30,645.76

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Solution

The fourth proportional to 55,593.76, 83,353.44 and 30,645.76 is: 45,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.76 : 83,353.44 = 30,645.76 : x
  2. Step 2: Convert to fraction form
    55,593.76/83,353.44 = 30,645.76/x
  3. Step 3: Cross multiply
    55,593.76x = 83,353.44 × 30,645.76
  4. Step 4: Simplify right side
    55,593.76x = 2,554,429,517.41
  5. Step 5: Solve for x
    x = 2,554,429,517.41/55,593.76
  6. Step 6: Final answer
    x = 45,948.13

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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.