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Finding the Fourth Proportional to 57,649.50, 86,487.03 and 17,674.02

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Solution

The fourth proportional to 57,649.50, 86,487.03 and 17,674.02 is: 26,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.50 : 86,487.03 = 17,674.02 : x
  2. Step 2: Convert to fraction form
    57,649.50/86,487.03 = 17,674.02/x
  3. Step 3: Cross multiply
    57,649.50x = 86,487.03 × 17,674.02
  4. Step 4: Simplify right side
    57,649.50x = 1,528,573,497.96
  5. Step 5: Solve for x
    x = 1,528,573,497.96/57,649.50
  6. Step 6: Final answer
    x = 26,514.95

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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.