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Finding the Fourth Proportional to 62,107.80, 85,706.19 and 33,813.42

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Solution

The fourth proportional to 62,107.80, 85,706.19 and 33,813.42 is: 46,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.80 : 85,706.19 = 33,813.42 : x
  2. Step 2: Convert to fraction form
    62,107.80/85,706.19 = 33,813.42/x
  3. Step 3: Cross multiply
    62,107.80x = 85,706.19 × 33,813.42
  4. Step 4: Simplify right side
    62,107.80x = 2,898,019,399.07
  5. Step 5: Solve for x
    x = 2,898,019,399.07/62,107.80
  6. Step 6: Final answer
    x = 46,661.12

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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.