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Finding the Fourth Proportional to 17,265.78, 23,815.08 and 10,542.78

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Solution

The fourth proportional to 17,265.78, 23,815.08 and 10,542.78 is: 14,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,265.78 : 23,815.08 = 10,542.78 : x
  2. Step 2: Convert to fraction form
    17,265.78/23,815.08 = 10,542.78/x
  3. Step 3: Cross multiply
    17,265.78x = 23,815.08 × 10,542.78
  4. Step 4: Simplify right side
    17,265.78x = 251,077,149.12
  5. Step 5: Solve for x
    x = 251,077,149.12/17,265.78
  6. Step 6: Final answer
    x = 14,541.89

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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.