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Finding the Fourth Proportional to 63,781.25, 88,006.77 and 36,922.46

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Solution

The fourth proportional to 63,781.25, 88,006.77 and 36,922.46 is: 50,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.25 : 88,006.77 = 36,922.46 : x
  2. Step 2: Convert to fraction form
    63,781.25/88,006.77 = 36,922.46/x
  3. Step 3: Cross multiply
    63,781.25x = 88,006.77 × 36,922.46
  4. Step 4: Simplify right side
    63,781.25x = 3,249,426,005.02
  5. Step 5: Solve for x
    x = 3,249,426,005.02/63,781.25
  6. Step 6: Final answer
    x = 50,946.42

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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.