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Finding the Fourth Proportional to 56,630.39, 84,934.24 and 53,820.23

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Solution

The fourth proportional to 56,630.39, 84,934.24 and 53,820.23 is: 80,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,630.39 : 84,934.24 = 53,820.23 : x
  2. Step 2: Convert to fraction form
    56,630.39/84,934.24 = 53,820.23/x
  3. Step 3: Cross multiply
    56,630.39x = 84,934.24 × 53,820.23
  4. Step 4: Simplify right side
    56,630.39x = 4,571,179,772.45
  5. Step 5: Solve for x
    x = 4,571,179,772.45/56,630.39
  6. Step 6: Final answer
    x = 80,719.56

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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.