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Finding the Fourth Proportional to 63,877.76, 95,830.66 and 18,895.60

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Solution

The fourth proportional to 63,877.76, 95,830.66 and 18,895.60 is: 28,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,877.76 : 95,830.66 = 18,895.60 : x
  2. Step 2: Convert to fraction form
    63,877.76/95,830.66 = 18,895.60/x
  3. Step 3: Cross multiply
    63,877.76x = 95,830.66 × 18,895.60
  4. Step 4: Simplify right side
    63,877.76x = 1,810,777,962.50
  5. Step 5: Solve for x
    x = 1,810,777,962.50/63,877.76
  6. Step 6: Final answer
    x = 28,347.55

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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.