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Finding the Fourth Proportional to 56,197, 77,552.58 and 31,048.84

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Solution

The fourth proportional to 56,197, 77,552.58 and 31,048.84 is: 42,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197 : 77,552.58 = 31,048.84 : x
  2. Step 2: Convert to fraction form
    56,197/77,552.58 = 31,048.84/x
  3. Step 3: Cross multiply
    56,197x = 77,552.58 × 31,048.84
  4. Step 4: Simplify right side
    56,197x = 2,407,917,648.01
  5. Step 5: Solve for x
    x = 2,407,917,648.01/56,197
  6. Step 6: Final answer
    x = 42,847.80

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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.