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Finding the Fourth Proportional to 56,612.58, 84,920.76 and 25,447.92

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Solution

The fourth proportional to 56,612.58, 84,920.76 and 25,447.92 is: 38,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.58 : 84,920.76 = 25,447.92 : x
  2. Step 2: Convert to fraction form
    56,612.58/84,920.76 = 25,447.92/x
  3. Step 3: Cross multiply
    56,612.58x = 84,920.76 × 25,447.92
  4. Step 4: Simplify right side
    56,612.58x = 2,161,056,706.82
  5. Step 5: Solve for x
    x = 2,161,056,706.82/56,612.58
  6. Step 6: Final answer
    x = 38,172.73

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1.5x scale

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.