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Finding the Fourth Proportional to 17,954.69, 26,935.90 and 8,953.71

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Solution

The fourth proportional to 17,954.69, 26,935.90 and 8,953.71 is: 13,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.69 : 26,935.90 = 8,953.71 : x
  2. Step 2: Convert to fraction form
    17,954.69/26,935.90 = 8,953.71/x
  3. Step 3: Cross multiply
    17,954.69x = 26,935.90 × 8,953.71
  4. Step 4: Simplify right side
    17,954.69x = 241,176,192.42
  5. Step 5: Solve for x
    x = 241,176,192.42/17,954.69
  6. Step 6: Final answer
    x = 13,432.49

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1.5x scale

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.