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Finding the Fourth Proportional to 6,153.99, 8,486.82 and 5,443.22

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Solution

The fourth proportional to 6,153.99, 8,486.82 and 5,443.22 is: 7,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.99 : 8,486.82 = 5,443.22 : x
  2. Step 2: Convert to fraction form
    6,153.99/8,486.82 = 5,443.22/x
  3. Step 3: Cross multiply
    6,153.99x = 8,486.82 × 5,443.22
  4. Step 4: Simplify right side
    6,153.99x = 46,195,585.93
  5. Step 5: Solve for x
    x = 46,195,585.93/6,153.99
  6. Step 6: Final answer
    x = 7,506.61

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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.