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Finding the Fourth Proportional to 56,942.47, 85,400.03 and 17,499.93

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Solution

The fourth proportional to 56,942.47, 85,400.03 and 17,499.93 is: 26,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942.47 : 85,400.03 = 17,499.93 : x
  2. Step 2: Convert to fraction form
    56,942.47/85,400.03 = 17,499.93/x
  3. Step 3: Cross multiply
    56,942.47x = 85,400.03 × 17,499.93
  4. Step 4: Simplify right side
    56,942.47x = 1,494,494,270.50
  5. Step 5: Solve for x
    x = 1,494,494,270.50/56,942.47
  6. Step 6: Final answer
    x = 26,245.69

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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.