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Finding the Fourth Proportional to 4,927.68, 7,395.72 and 2,461.80

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Solution

The fourth proportional to 4,927.68, 7,395.72 and 2,461.80 is: 3,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.68 : 7,395.72 = 2,461.80 : x
  2. Step 2: Convert to fraction form
    4,927.68/7,395.72 = 2,461.80/x
  3. Step 3: Cross multiply
    4,927.68x = 7,395.72 × 2,461.80
  4. Step 4: Simplify right side
    4,927.68x = 18,206,783.50
  5. Step 5: Solve for x
    x = 18,206,783.50/4,927.68
  6. Step 6: Final answer
    x = 3,694.80

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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.