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Finding the Fourth Proportional to 18,880.50, 26,055.18 and 10,497

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Solution

The fourth proportional to 18,880.50, 26,055.18 and 10,497 is: 14,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.50 : 26,055.18 = 10,497 : x
  2. Step 2: Convert to fraction form
    18,880.50/26,055.18 = 10,497/x
  3. Step 3: Cross multiply
    18,880.50x = 26,055.18 × 10,497
  4. Step 4: Simplify right side
    18,880.50x = 273,501,224.46
  5. Step 5: Solve for x
    x = 273,501,224.46/18,880.50
  6. Step 6: Final answer
    x = 14,485.91

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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.