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Finding the Fourth Proportional to 56,843.46, 78,465.51 and 44,712.54

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Solution

The fourth proportional to 56,843.46, 78,465.51 and 44,712.54 is: 61,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,843.46 : 78,465.51 = 44,712.54 : x
  2. Step 2: Convert to fraction form
    56,843.46/78,465.51 = 44,712.54/x
  3. Step 3: Cross multiply
    56,843.46x = 78,465.51 × 44,712.54
  4. Step 4: Simplify right side
    56,843.46x = 3,508,392,254.50
  5. Step 5: Solve for x
    x = 3,508,392,254.50/56,843.46
  6. Step 6: Final answer
    x = 61,720.24

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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.