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Finding the Fourth Proportional to 60,994.55, 84,161.40 and 35,149.07

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Solution

The fourth proportional to 60,994.55, 84,161.40 and 35,149.07 is: 48,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,994.55 : 84,161.40 = 35,149.07 : x
  2. Step 2: Convert to fraction form
    60,994.55/84,161.40 = 35,149.07/x
  3. Step 3: Cross multiply
    60,994.55x = 84,161.40 × 35,149.07
  4. Step 4: Simplify right side
    60,994.55x = 2,958,194,939.90
  5. Step 5: Solve for x
    x = 2,958,194,939.90/60,994.55
  6. Step 6: Final answer
    x = 48,499.33

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1.5x scale

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.