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Finding the Fourth Proportional to 53,797.63, 80,718.86 and 28,831.27

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Solution

The fourth proportional to 53,797.63, 80,718.86 and 28,831.27 is: 43,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,797.63 : 80,718.86 = 28,831.27 : x
  2. Step 2: Convert to fraction form
    53,797.63/80,718.86 = 28,831.27/x
  3. Step 3: Cross multiply
    53,797.63x = 80,718.86 × 28,831.27
  4. Step 4: Simplify right side
    53,797.63x = 2,327,227,246.75
  5. Step 5: Solve for x
    x = 2,327,227,246.75/53,797.63
  6. Step 6: Final answer
    x = 43,258.92

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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.