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Finding the Fourth Proportional to 59,388.12, 81,963 and 35,527.92

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Solution

The fourth proportional to 59,388.12, 81,963 and 35,527.92 is: 49,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,388.12 : 81,963 = 35,527.92 : x
  2. Step 2: Convert to fraction form
    59,388.12/81,963 = 35,527.92/x
  3. Step 3: Cross multiply
    59,388.12x = 81,963 × 35,527.92
  4. Step 4: Simplify right side
    59,388.12x = 2,911,974,906.96
  5. Step 5: Solve for x
    x = 2,911,974,906.96/59,388.12
  6. Step 6: Final answer
    x = 49,032.95

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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.