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Finding the Fourth Proportional to 17,290.57, 25,894.27 and 9,872.54

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Solution

The fourth proportional to 17,290.57, 25,894.27 and 9,872.54 is: 14,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.57 : 25,894.27 = 9,872.54 : x
  2. Step 2: Convert to fraction form
    17,290.57/25,894.27 = 9,872.54/x
  3. Step 3: Cross multiply
    17,290.57x = 25,894.27 × 9,872.54
  4. Step 4: Simplify right side
    17,290.57x = 255,642,281.08
  5. Step 5: Solve for x
    x = 255,642,281.08/17,290.57
  6. Step 6: Final answer
    x = 14,785.07

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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.