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Finding the Fourth Proportional to 62,952.72, 94,443.66 and 20,831.10

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Solution

The fourth proportional to 62,952.72, 94,443.66 and 20,831.10 is: 31,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,952.72 : 94,443.66 = 20,831.10 : x
  2. Step 2: Convert to fraction form
    62,952.72/94,443.66 = 20,831.10/x
  3. Step 3: Cross multiply
    62,952.72x = 94,443.66 × 20,831.10
  4. Step 4: Simplify right side
    62,952.72x = 1,967,365,325.83
  5. Step 5: Solve for x
    x = 1,967,365,325.83/62,952.72
  6. Step 6: Final answer
    x = 31,251.47

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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.