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Finding the Fourth Proportional to 17,093.16, 25,648.62 and 12,931.92

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Solution

The fourth proportional to 17,093.16, 25,648.62 and 12,931.92 is: 19,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093.16 : 25,648.62 = 12,931.92 : x
  2. Step 2: Convert to fraction form
    17,093.16/25,648.62 = 12,931.92/x
  3. Step 3: Cross multiply
    17,093.16x = 25,648.62 × 12,931.92
  4. Step 4: Simplify right side
    17,093.16x = 331,685,853.46
  5. Step 5: Solve for x
    x = 331,685,853.46/17,093.16
  6. Step 6: Final answer
    x = 19,404.60

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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.