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Finding the Fourth Proportional to 17,254.71, 25,877.79 and 7,392.87

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Solution

The fourth proportional to 17,254.71, 25,877.79 and 7,392.87 is: 11,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,254.71 : 25,877.79 = 7,392.87 : x
  2. Step 2: Convert to fraction form
    17,254.71/25,877.79 = 7,392.87/x
  3. Step 3: Cross multiply
    17,254.71x = 25,877.79 × 7,392.87
  4. Step 4: Simplify right side
    17,254.71x = 191,311,137.36
  5. Step 5: Solve for x
    x = 191,311,137.36/17,254.71
  6. Step 6: Final answer
    x = 11,087.47

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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.