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Finding the Fourth Proportional to 49,930.40, 74,906.40 and 14,873.60

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Solution

The fourth proportional to 49,930.40, 74,906.40 and 14,873.60 is: 22,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930.40 : 74,906.40 = 14,873.60 : x
  2. Step 2: Convert to fraction form
    49,930.40/74,906.40 = 14,873.60/x
  3. Step 3: Cross multiply
    49,930.40x = 74,906.40 × 14,873.60
  4. Step 4: Simplify right side
    49,930.40x = 1,114,127,831.04
  5. Step 5: Solve for x
    x = 1,114,127,831.04/49,930.40
  6. Step 6: Final answer
    x = 22,313.62

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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.