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Finding the Fourth Proportional to 2,573.94, 3,860.91 and 626.13

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Solution

The fourth proportional to 2,573.94, 3,860.91 and 626.13 is: 939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.94 : 3,860.91 = 626.13 : x
  2. Step 2: Convert to fraction form
    2,573.94/3,860.91 = 626.13/x
  3. Step 3: Cross multiply
    2,573.94x = 3,860.91 × 626.13
  4. Step 4: Simplify right side
    2,573.94x = 2,417,431.58
  5. Step 5: Solve for x
    x = 2,417,431.58/2,573.94
  6. Step 6: Final answer
    x = 939.20

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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.