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Finding the Fourth Proportional to 50,492.70, 69,681.41 and 27,831.97

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Solution

The fourth proportional to 50,492.70, 69,681.41 and 27,831.97 is: 38,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,492.70 : 69,681.41 = 27,831.97 : x
  2. Step 2: Convert to fraction form
    50,492.70/69,681.41 = 27,831.97/x
  3. Step 3: Cross multiply
    50,492.70x = 69,681.41 × 27,831.97
  4. Step 4: Simplify right side
    50,492.70x = 1,939,370,651.45
  5. Step 5: Solve for x
    x = 1,939,370,651.45/50,492.70
  6. Step 6: Final answer
    x = 38,408.93

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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.