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Finding the Fourth Proportional to 63,625.11, 87,809.63 and 36,403.71

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Solution

The fourth proportional to 63,625.11, 87,809.63 and 36,403.71 is: 50,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,625.11 : 87,809.63 = 36,403.71 : x
  2. Step 2: Convert to fraction form
    63,625.11/87,809.63 = 36,403.71/x
  3. Step 3: Cross multiply
    63,625.11x = 87,809.63 × 36,403.71
  4. Step 4: Simplify right side
    63,625.11x = 3,196,596,123.71
  5. Step 5: Solve for x
    x = 3,196,596,123.71/63,625.11
  6. Step 6: Final answer
    x = 50,241.11

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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.