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Finding the Fourth Proportional to 59,571, 82,361.58 and 56,959.80

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Solution

The fourth proportional to 59,571, 82,361.58 and 56,959.80 is: 78,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,571 : 82,361.58 = 56,959.80 : x
  2. Step 2: Convert to fraction form
    59,571/82,361.58 = 56,959.80/x
  3. Step 3: Cross multiply
    59,571x = 82,361.58 × 56,959.80
  4. Step 4: Simplify right side
    59,571x = 4,691,299,124.48
  5. Step 5: Solve for x
    x = 4,691,299,124.48/59,571
  6. Step 6: Final answer
    x = 78,751.39

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1.5x scale

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.