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Finding the Fourth Proportional to 2,551.08, 3,826.14 and 907.62

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Solution

The fourth proportional to 2,551.08, 3,826.14 and 907.62 is: 1,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.08 : 3,826.14 = 907.62 : x
  2. Step 2: Convert to fraction form
    2,551.08/3,826.14 = 907.62/x
  3. Step 3: Cross multiply
    2,551.08x = 3,826.14 × 907.62
  4. Step 4: Simplify right side
    2,551.08x = 3,472,681.19
  5. Step 5: Solve for x
    x = 3,472,681.19/2,551.08
  6. Step 6: Final answer
    x = 1,361.26

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Double scale
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Similar ratio
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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.