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Finding the Fourth Proportional to 1,846.08, 2,767.59 and 920.52

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Solution

The fourth proportional to 1,846.08, 2,767.59 and 920.52 is: 1,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.08 : 2,767.59 = 920.52 : x
  2. Step 2: Convert to fraction form
    1,846.08/2,767.59 = 920.52/x
  3. Step 3: Cross multiply
    1,846.08x = 2,767.59 × 920.52
  4. Step 4: Simplify right side
    1,846.08x = 2,547,621.95
  5. Step 5: Solve for x
    x = 2,547,621.95/1,846.08
  6. Step 6: Final answer
    x = 1,380.02

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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.