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Finding the Fourth Proportional to 55,679.76, 83,408.34 and 33,480.93

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Solution

The fourth proportional to 55,679.76, 83,408.34 and 33,480.93 is: 50,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679.76 : 83,408.34 = 33,480.93 : x
  2. Step 2: Convert to fraction form
    55,679.76/83,408.34 = 33,480.93/x
  3. Step 3: Cross multiply
    55,679.76x = 83,408.34 × 33,480.93
  4. Step 4: Simplify right side
    55,679.76x = 2,792,588,792.96
  5. Step 5: Solve for x
    x = 2,792,588,792.96/55,679.76
  6. Step 6: Final answer
    x = 50,154.47

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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.