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Finding the Fourth Proportional to 62,153.60, 85,771.98 and 33,859.28

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Solution

The fourth proportional to 62,153.60, 85,771.98 and 33,859.28 is: 46,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,153.60 : 85,771.98 = 33,859.28 : x
  2. Step 2: Convert to fraction form
    62,153.60/85,771.98 = 33,859.28/x
  3. Step 3: Cross multiply
    62,153.60x = 85,771.98 × 33,859.28
  4. Step 4: Simplify right side
    62,153.60x = 2,904,177,058.11
  5. Step 5: Solve for x
    x = 2,904,177,058.11/62,153.60
  6. Step 6: Final answer
    x = 46,725.81

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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.