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Finding the Fourth Proportional to 18,809,935.41, 25,957,802.81 and 10,550,439.11

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Solution

The fourth proportional to 18,809,935.41, 25,957,802.81 and 10,550,439.11 is: 14,559,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,935.41 : 25,957,802.81 = 10,550,439.11 : x
  2. Step 2: Convert to fraction form
    18,809,935.41/25,957,802.81 = 10,550,439.11/x
  3. Step 3: Cross multiply
    18,809,935.41x = 25,957,802.81 × 10,550,439.11
  4. Step 4: Simplify right side
    18,809,935.41x = 273,866,217,793,750.69
  5. Step 5: Solve for x
    x = 273,866,217,793,750.69/18,809,935.41
  6. Step 6: Final answer
    x = 14,559,657.53

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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.