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Finding the Fourth Proportional to 50,606.79, 69,831.63 and 29,381.82

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Solution

The fourth proportional to 50,606.79, 69,831.63 and 29,381.82 is: 40,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,606.79 : 69,831.63 = 29,381.82 : x
  2. Step 2: Convert to fraction form
    50,606.79/69,831.63 = 29,381.82/x
  3. Step 3: Cross multiply
    50,606.79x = 69,831.63 × 29,381.82
  4. Step 4: Simplify right side
    50,606.79x = 2,051,780,382.97
  5. Step 5: Solve for x
    x = 2,051,780,382.97/50,606.79
  6. Step 6: Final answer
    x = 40,543.58

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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.