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Finding the Fourth Proportional to 62,105.84, 85,703.76 and 33,810.96

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Solution

The fourth proportional to 62,105.84, 85,703.76 and 33,810.96 is: 46,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,105.84 : 85,703.76 = 33,810.96 : x
  2. Step 2: Convert to fraction form
    62,105.84/85,703.76 = 33,810.96/x
  3. Step 3: Cross multiply
    62,105.84x = 85,703.76 × 33,810.96
  4. Step 4: Simplify right side
    62,105.84x = 2,897,726,401.21
  5. Step 5: Solve for x
    x = 2,897,726,401.21/62,105.84
  6. Step 6: Final answer
    x = 46,657.87

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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.