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Finding the Fourth Proportional to 7,491.83, 11,228.93 and 5,636.93

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Solution

The fourth proportional to 7,491.83, 11,228.93 and 5,636.93 is: 8,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.83 : 11,228.93 = 5,636.93 : x
  2. Step 2: Convert to fraction form
    7,491.83/11,228.93 = 5,636.93/x
  3. Step 3: Cross multiply
    7,491.83x = 11,228.93 × 5,636.93
  4. Step 4: Simplify right side
    7,491.83x = 63,296,629.19
  5. Step 5: Solve for x
    x = 63,296,629.19/7,491.83
  6. Step 6: Final answer
    x = 8,448.76

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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.