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Finding the Fourth Proportional to 8,535.56, 11,788.88 and 5,697.99

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Solution

The fourth proportional to 8,535.56, 11,788.88 and 5,697.99 is: 7,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.56 : 11,788.88 = 5,697.99 : x
  2. Step 2: Convert to fraction form
    8,535.56/11,788.88 = 5,697.99/x
  3. Step 3: Cross multiply
    8,535.56x = 11,788.88 × 5,697.99
  4. Step 4: Simplify right side
    8,535.56x = 67,172,891.86
  5. Step 5: Solve for x
    x = 67,172,891.86/8,535.56
  6. Step 6: Final answer
    x = 7,869.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.