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Finding the Fourth Proportional to 63,776.43, 88,005.96 and 36,920.54

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Solution

The fourth proportional to 63,776.43, 88,005.96 and 36,920.54 is: 50,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,776.43 : 88,005.96 = 36,920.54 : x
  2. Step 2: Convert to fraction form
    63,776.43/88,005.96 = 36,920.54/x
  3. Step 3: Cross multiply
    63,776.43x = 88,005.96 × 36,920.54
  4. Step 4: Simplify right side
    63,776.43x = 3,249,227,786.43
  5. Step 5: Solve for x
    x = 3,249,227,786.43/63,776.43
  6. Step 6: Final answer
    x = 50,947.16

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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.