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Finding the Fourth Proportional to 56,809, 85,197.18 and 17,356.84

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Solution

The fourth proportional to 56,809, 85,197.18 and 17,356.84 is: 26,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809 : 85,197.18 = 17,356.84 : x
  2. Step 2: Convert to fraction form
    56,809/85,197.18 = 17,356.84/x
  3. Step 3: Cross multiply
    56,809x = 85,197.18 × 17,356.84
  4. Step 4: Simplify right side
    56,809x = 1,478,753,821.71
  5. Step 5: Solve for x
    x = 1,478,753,821.71/56,809
  6. Step 6: Final answer
    x = 26,030.27

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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.