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Finding the Fourth Proportional to 8,649.03, 11,935.50 and 4,872.18

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Solution

The fourth proportional to 8,649.03, 11,935.50 and 4,872.18 is: 6,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.03 : 11,935.50 = 4,872.18 : x
  2. Step 2: Convert to fraction form
    8,649.03/11,935.50 = 4,872.18/x
  3. Step 3: Cross multiply
    8,649.03x = 11,935.50 × 4,872.18
  4. Step 4: Simplify right side
    8,649.03x = 58,151,904.39
  5. Step 5: Solve for x
    x = 58,151,904.39/8,649.03
  6. Step 6: Final answer
    x = 6,723.52

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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.