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Finding the Fourth Proportional to 63,890.76, 88,169.84 and 35,211.45

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Solution

The fourth proportional to 63,890.76, 88,169.84 and 35,211.45 is: 48,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,890.76 : 88,169.84 = 35,211.45 : x
  2. Step 2: Convert to fraction form
    63,890.76/88,169.84 = 35,211.45/x
  3. Step 3: Cross multiply
    63,890.76x = 88,169.84 × 35,211.45
  4. Step 4: Simplify right side
    63,890.76x = 3,104,588,068.76
  5. Step 5: Solve for x
    x = 3,104,588,068.76/63,890.76
  6. Step 6: Final answer
    x = 48,592.13

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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.