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Finding the Fourth Proportional to 8,672.68, 11,963.41 and 5,484.99

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Solution

The fourth proportional to 8,672.68, 11,963.41 and 5,484.99 is: 7,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.68 : 11,963.41 = 5,484.99 : x
  2. Step 2: Convert to fraction form
    8,672.68/11,963.41 = 5,484.99/x
  3. Step 3: Cross multiply
    8,672.68x = 11,963.41 × 5,484.99
  4. Step 4: Simplify right side
    8,672.68x = 65,619,184.22
  5. Step 5: Solve for x
    x = 65,619,184.22/8,672.68
  6. Step 6: Final answer
    x = 7,566.19

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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.