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Finding the Fourth Proportional to 48,649.47, 72,992.43 and 17,061.90

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Solution

The fourth proportional to 48,649.47, 72,992.43 and 17,061.90 is: 25,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.47 : 72,992.43 = 17,061.90 : x
  2. Step 2: Convert to fraction form
    48,649.47/72,992.43 = 17,061.90/x
  3. Step 3: Cross multiply
    48,649.47x = 72,992.43 × 17,061.90
  4. Step 4: Simplify right side
    48,649.47x = 1,245,389,541.42
  5. Step 5: Solve for x
    x = 1,245,389,541.42/48,649.47
  6. Step 6: Final answer
    x = 25,599.24

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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.