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Finding the Fourth Proportional to 11,770, 17,655.04 and 3,562

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Solution

The fourth proportional to 11,770, 17,655.04 and 3,562 is: 5,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770 : 17,655.04 = 3,562 : x
  2. Step 2: Convert to fraction form
    11,770/17,655.04 = 3,562/x
  3. Step 3: Cross multiply
    11,770x = 17,655.04 × 3,562
  4. Step 4: Simplify right side
    11,770x = 62,887,252.48
  5. Step 5: Solve for x
    x = 62,887,252.48/11,770
  6. Step 6: Final answer
    x = 5,343.01

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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.