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Finding the Fourth Proportional to 50,492.66, 69,679.48 and 27,831.69

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Solution

The fourth proportional to 50,492.66, 69,679.48 and 27,831.69 is: 38,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,492.66 : 69,679.48 = 27,831.69 : x
  2. Step 2: Convert to fraction form
    50,492.66/69,679.48 = 27,831.69/x
  3. Step 3: Cross multiply
    50,492.66x = 69,679.48 × 27,831.69
  4. Step 4: Simplify right side
    50,492.66x = 1,939,297,686.72
  5. Step 5: Solve for x
    x = 1,939,297,686.72/50,492.66
  6. Step 6: Final answer
    x = 38,407.52

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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.