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Finding the Fourth Proportional to 2,383.95, 3,577.32 and 997.17

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Solution

The fourth proportional to 2,383.95, 3,577.32 and 997.17 is: 1,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.95 : 3,577.32 = 997.17 : x
  2. Step 2: Convert to fraction form
    2,383.95/3,577.32 = 997.17/x
  3. Step 3: Cross multiply
    2,383.95x = 3,577.32 × 997.17
  4. Step 4: Simplify right side
    2,383.95x = 3,567,196.18
  5. Step 5: Solve for x
    x = 3,567,196.18/2,383.95
  6. Step 6: Final answer
    x = 1,496.34

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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.