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Finding the Fourth Proportional to 62,108.30, 85,706.88 and 33,813.92

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Solution

The fourth proportional to 62,108.30, 85,706.88 and 33,813.92 is: 46,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,108.30 : 85,706.88 = 33,813.92 : x
  2. Step 2: Convert to fraction form
    62,108.30/85,706.88 = 33,813.92/x
  3. Step 3: Cross multiply
    62,108.30x = 85,706.88 × 33,813.92
  4. Step 4: Simplify right side
    62,108.30x = 2,898,085,583.77
  5. Step 5: Solve for x
    x = 2,898,085,583.77/62,108.30
  6. Step 6: Final answer
    x = 46,661.81

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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.