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Finding the Fourth Proportional to 12,522.70, 18,788.91 and 7,595.83

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Solution

The fourth proportional to 12,522.70, 18,788.91 and 7,595.83 is: 11,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.70 : 18,788.91 = 7,595.83 : x
  2. Step 2: Convert to fraction form
    12,522.70/18,788.91 = 7,595.83/x
  3. Step 3: Cross multiply
    12,522.70x = 18,788.91 × 7,595.83
  4. Step 4: Simplify right side
    12,522.70x = 142,717,366.25
  5. Step 5: Solve for x
    x = 142,717,366.25/12,522.70
  6. Step 6: Final answer
    x = 11,396.69

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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.