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Finding the Fourth Proportional to 60,770.60, 91,155.90 and 16,397.35

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Solution

The fourth proportional to 60,770.60, 91,155.90 and 16,397.35 is: 24,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,770.60 : 91,155.90 = 16,397.35 : x
  2. Step 2: Convert to fraction form
    60,770.60/91,155.90 = 16,397.35/x
  3. Step 3: Cross multiply
    60,770.60x = 91,155.90 × 16,397.35
  4. Step 4: Simplify right side
    60,770.60x = 1,494,714,907.49
  5. Step 5: Solve for x
    x = 1,494,714,907.49/60,770.60
  6. Step 6: Final answer
    x = 24,596.02

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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.