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Finding the Fourth Proportional to 59,334.25, 81,920.91 and 35,142.99

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Solution

The fourth proportional to 59,334.25, 81,920.91 and 35,142.99 is: 48,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,334.25 : 81,920.91 = 35,142.99 : x
  2. Step 2: Convert to fraction form
    59,334.25/81,920.91 = 35,142.99/x
  3. Step 3: Cross multiply
    59,334.25x = 81,920.91 × 35,142.99
  4. Step 4: Simplify right side
    59,334.25x = 2,878,946,028.12
  5. Step 5: Solve for x
    x = 2,878,946,028.12/59,334.25
  6. Step 6: Final answer
    x = 48,520.81

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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.