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Finding the Fourth Proportional to 60,989.62, 84,174.53 and 35,143.14

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Solution

The fourth proportional to 60,989.62, 84,174.53 and 35,143.14 is: 48,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,989.62 : 84,174.53 = 35,143.14 : x
  2. Step 2: Convert to fraction form
    60,989.62/84,174.53 = 35,143.14/x
  3. Step 3: Cross multiply
    60,989.62x = 84,174.53 × 35,143.14
  4. Step 4: Simplify right side
    60,989.62x = 2,958,157,292.22
  5. Step 5: Solve for x
    x = 2,958,157,292.22/60,989.62
  6. Step 6: Final answer
    x = 48,502.64

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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.