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Finding the Fourth Proportional to 55,838.70, 83,762.10 and 33,604.20

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Solution

The fourth proportional to 55,838.70, 83,762.10 and 33,604.20 is: 50,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,838.70 : 83,762.10 = 33,604.20 : x
  2. Step 2: Convert to fraction form
    55,838.70/83,762.10 = 33,604.20/x
  3. Step 3: Cross multiply
    55,838.70x = 83,762.10 × 33,604.20
  4. Step 4: Simplify right side
    55,838.70x = 2,814,758,360.82
  5. Step 5: Solve for x
    x = 2,814,758,360.82/55,838.70
  6. Step 6: Final answer
    x = 50,408.74

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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.