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Finding the Fourth Proportional to 17,893.43, 24,693.55 and 9,935.78

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Solution

The fourth proportional to 17,893.43, 24,693.55 and 9,935.78 is: 13,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.43 : 24,693.55 = 9,935.78 : x
  2. Step 2: Convert to fraction form
    17,893.43/24,693.55 = 9,935.78/x
  3. Step 3: Cross multiply
    17,893.43x = 24,693.55 × 9,935.78
  4. Step 4: Simplify right side
    17,893.43x = 245,349,717.11
  5. Step 5: Solve for x
    x = 245,349,717.11/17,893.43
  6. Step 6: Final answer
    x = 13,711.72

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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.