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Finding the Fourth Proportional to 52,597.20, 78,895.80 and 40,846.80

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Solution

The fourth proportional to 52,597.20, 78,895.80 and 40,846.80 is: 61,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,597.20 : 78,895.80 = 40,846.80 : x
  2. Step 2: Convert to fraction form
    52,597.20/78,895.80 = 40,846.80/x
  3. Step 3: Cross multiply
    52,597.20x = 78,895.80 × 40,846.80
  4. Step 4: Simplify right side
    52,597.20x = 3,222,640,963.44
  5. Step 5: Solve for x
    x = 3,222,640,963.44/52,597.20
  6. Step 6: Final answer
    x = 61,270.20

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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.