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Finding the Fourth Proportional to 63,290.68, 87,337.65 and 34,994.50

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Solution

The fourth proportional to 63,290.68, 87,337.65 and 34,994.50 is: 48,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,290.68 : 87,337.65 = 34,994.50 : x
  2. Step 2: Convert to fraction form
    63,290.68/87,337.65 = 34,994.50/x
  3. Step 3: Cross multiply
    63,290.68x = 87,337.65 × 34,994.50
  4. Step 4: Simplify right side
    63,290.68x = 3,056,337,392.93
  5. Step 5: Solve for x
    x = 3,056,337,392.93/63,290.68
  6. Step 6: Final answer
    x = 48,290.48

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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.