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Finding the Fourth Proportional to 56,494.93, 77,967.93 and 31,006.21

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Solution

The fourth proportional to 56,494.93, 77,967.93 and 31,006.21 is: 42,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,494.93 : 77,967.93 = 31,006.21 : x
  2. Step 2: Convert to fraction form
    56,494.93/77,967.93 = 31,006.21/x
  3. Step 3: Cross multiply
    56,494.93x = 77,967.93 × 31,006.21
  4. Step 4: Simplify right side
    56,494.93x = 2,417,490,010.85
  5. Step 5: Solve for x
    x = 2,417,490,010.85/56,494.93
  6. Step 6: Final answer
    x = 42,791.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.