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Finding the Fourth Proportional to 62,150.72, 85,768.13 and 33,855.80

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Solution

The fourth proportional to 62,150.72, 85,768.13 and 33,855.80 is: 46,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,150.72 : 85,768.13 = 33,855.80 : x
  2. Step 2: Convert to fraction form
    62,150.72/85,768.13 = 33,855.80/x
  3. Step 3: Cross multiply
    62,150.72x = 85,768.13 × 33,855.80
  4. Step 4: Simplify right side
    62,150.72x = 2,903,748,311.45
  5. Step 5: Solve for x
    x = 2,903,748,311.45/62,150.72
  6. Step 6: Final answer
    x = 46,721.08

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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.