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Finding the Fourth Proportional to 63,305.88, 94,813.42 and 31,618.68

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Solution

The fourth proportional to 63,305.88, 94,813.42 and 31,618.68 is: 47,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,305.88 : 94,813.42 = 31,618.68 : x
  2. Step 2: Convert to fraction form
    63,305.88/94,813.42 = 31,618.68/x
  3. Step 3: Cross multiply
    63,305.88x = 94,813.42 × 31,618.68
  4. Step 4: Simplify right side
    63,305.88x = 2,997,875,186.69
  5. Step 5: Solve for x
    x = 2,997,875,186.69/63,305.88
  6. Step 6: Final answer
    x = 47,355.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.