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Finding the Fourth Proportional to 8,649.03, 12,952.74 and 4,940.01

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Solution

The fourth proportional to 8,649.03, 12,952.74 and 4,940.01 is: 7,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.03 : 12,952.74 = 4,940.01 : x
  2. Step 2: Convert to fraction form
    8,649.03/12,952.74 = 4,940.01/x
  3. Step 3: Cross multiply
    8,649.03x = 12,952.74 × 4,940.01
  4. Step 4: Simplify right side
    8,649.03x = 63,986,665.13
  5. Step 5: Solve for x
    x = 63,986,665.13/8,649.03
  6. Step 6: Final answer
    x = 7,398.13

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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.