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Finding the Fourth Proportional to 59,891.24, 89,689.21 and 37,649.45

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Solution

The fourth proportional to 59,891.24, 89,689.21 and 37,649.45 is: 56,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,891.24 : 89,689.21 = 37,649.45 : x
  2. Step 2: Convert to fraction form
    59,891.24/89,689.21 = 37,649.45/x
  3. Step 3: Cross multiply
    59,891.24x = 89,689.21 × 37,649.45
  4. Step 4: Simplify right side
    59,891.24x = 3,376,749,427.43
  5. Step 5: Solve for x
    x = 3,376,749,427.43/59,891.24
  6. Step 6: Final answer
    x = 56,381.36

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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.