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Finding the Fourth Proportional to 63,288, 94,869.90 and 35,221.50

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Solution

The fourth proportional to 63,288, 94,869.90 and 35,221.50 is: 52,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,288 : 94,869.90 = 35,221.50 : x
  2. Step 2: Convert to fraction form
    63,288/94,869.90 = 35,221.50/x
  3. Step 3: Cross multiply
    63,288x = 94,869.90 × 35,221.50
  4. Step 4: Simplify right side
    63,288x = 3,341,460,182.85
  5. Step 5: Solve for x
    x = 3,341,460,182.85/63,288
  6. Step 6: Final answer
    x = 52,797.69

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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.