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Finding the Fourth Proportional to 1,775.46, 2,447.91 and 1,334.82

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Solution

The fourth proportional to 1,775.46, 2,447.91 and 1,334.82 is: 1,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.46 : 2,447.91 = 1,334.82 : x
  2. Step 2: Convert to fraction form
    1,775.46/2,447.91 = 1,334.82/x
  3. Step 3: Cross multiply
    1,775.46x = 2,447.91 × 1,334.82
  4. Step 4: Simplify right side
    1,775.46x = 3,267,519.23
  5. Step 5: Solve for x
    x = 3,267,519.23/1,775.46
  6. Step 6: Final answer
    x = 1,840.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.