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Finding the Fourth Proportional to 7,682.99, 11,511.52 and 5,600.07

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Solution

The fourth proportional to 7,682.99, 11,511.52 and 5,600.07 is: 8,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.99 : 11,511.52 = 5,600.07 : x
  2. Step 2: Convert to fraction form
    7,682.99/11,511.52 = 5,600.07/x
  3. Step 3: Cross multiply
    7,682.99x = 11,511.52 × 5,600.07
  4. Step 4: Simplify right side
    7,682.99x = 64,465,303.81
  5. Step 5: Solve for x
    x = 64,465,303.81/7,682.99
  6. Step 6: Final answer
    x = 8,390.66

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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.