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Finding the Fourth Proportional to 52,544.88, 78,245.10 and 51,963.12

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Solution

The fourth proportional to 52,544.88, 78,245.10 and 51,963.12 is: 77,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,544.88 : 78,245.10 = 51,963.12 : x
  2. Step 2: Convert to fraction form
    52,544.88/78,245.10 = 51,963.12/x
  3. Step 3: Cross multiply
    52,544.88x = 78,245.10 × 51,963.12
  4. Step 4: Simplify right side
    52,544.88x = 4,065,859,520.71
  5. Step 5: Solve for x
    x = 4,065,859,520.71/52,544.88
  6. Step 6: Final answer
    x = 77,378.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.