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Finding the Fourth Proportional to 52,278.46, 72,144.46 and 29,621.65

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Solution

The fourth proportional to 52,278.46, 72,144.46 and 29,621.65 is: 40,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.46 : 72,144.46 = 29,621.65 : x
  2. Step 2: Convert to fraction form
    52,278.46/72,144.46 = 29,621.65/x
  3. Step 3: Cross multiply
    52,278.46x = 72,144.46 × 29,621.65
  4. Step 4: Simplify right side
    52,278.46x = 2,137,037,768.87
  5. Step 5: Solve for x
    x = 2,137,037,768.87/52,278.46
  6. Step 6: Final answer
    x = 40,877.98

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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.