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Finding the Fourth Proportional to 2,451.94, 3,676.08 and 807.50

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Solution

The fourth proportional to 2,451.94, 3,676.08 and 807.50 is: 1,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.94 : 3,676.08 = 807.50 : x
  2. Step 2: Convert to fraction form
    2,451.94/3,676.08 = 807.50/x
  3. Step 3: Cross multiply
    2,451.94x = 3,676.08 × 807.50
  4. Step 4: Simplify right side
    2,451.94x = 2,968,446.82
  5. Step 5: Solve for x
    x = 2,968,446.82/2,451.94
  6. Step 6: Final answer
    x = 1,210.65

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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.