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Finding the Fourth Proportional to 16,904.17, 25,325.16 and 8,590.15

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Solution

The fourth proportional to 16,904.17, 25,325.16 and 8,590.15 is: 12,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.17 : 25,325.16 = 8,590.15 : x
  2. Step 2: Convert to fraction form
    16,904.17/25,325.16 = 8,590.15/x
  3. Step 3: Cross multiply
    16,904.17x = 25,325.16 × 8,590.15
  4. Step 4: Simplify right side
    16,904.17x = 217,546,923.17
  5. Step 5: Solve for x
    x = 217,546,923.17/16,904.17
  6. Step 6: Final answer
    x = 12,869.42

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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.