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Finding the Fourth Proportional to 67,210.50, 100,753.43 and 29,750.60

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Solution

The fourth proportional to 67,210.50, 100,753.43 and 29,750.60 is: 44,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.50 : 100,753.43 = 29,750.60 : x
  2. Step 2: Convert to fraction form
    67,210.50/100,753.43 = 29,750.60/x
  3. Step 3: Cross multiply
    67,210.50x = 100,753.43 × 29,750.60
  4. Step 4: Simplify right side
    67,210.50x = 2,997,474,994.56
  5. Step 5: Solve for x
    x = 2,997,474,994.56/67,210.50
  6. Step 6: Final answer
    x = 44,598.31

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1.5x scale

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.