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Finding the Fourth Proportional to 62,777.90, 86,612.36 and 35,550.26

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Solution

The fourth proportional to 62,777.90, 86,612.36 and 35,550.26 is: 49,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,777.90 : 86,612.36 = 35,550.26 : x
  2. Step 2: Convert to fraction form
    62,777.90/86,612.36 = 35,550.26/x
  3. Step 3: Cross multiply
    62,777.90x = 86,612.36 × 35,550.26
  4. Step 4: Simplify right side
    62,777.90x = 3,079,091,917.21
  5. Step 5: Solve for x
    x = 3,079,091,917.21/62,777.90
  6. Step 6: Final answer
    x = 49,047.39

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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.