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Finding the Fourth Proportional to 62,455.75, 86,186.77 and 35,606.90

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Solution

The fourth proportional to 62,455.75, 86,186.77 and 35,606.90 is: 49,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,455.75 : 86,186.77 = 35,606.90 : x
  2. Step 2: Convert to fraction form
    62,455.75/86,186.77 = 35,606.90/x
  3. Step 3: Cross multiply
    62,455.75x = 86,186.77 × 35,606.90
  4. Step 4: Simplify right side
    62,455.75x = 3,068,843,827.16
  5. Step 5: Solve for x
    x = 3,068,843,827.16/62,455.75
  6. Step 6: Final answer
    x = 49,136.29

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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.