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Finding the Fourth Proportional to 1,923.98, 2,887.58 and 951.17

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Solution

The fourth proportional to 1,923.98, 2,887.58 and 951.17 is: 1,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.98 : 2,887.58 = 951.17 : x
  2. Step 2: Convert to fraction form
    1,923.98/2,887.58 = 951.17/x
  3. Step 3: Cross multiply
    1,923.98x = 2,887.58 × 951.17
  4. Step 4: Simplify right side
    1,923.98x = 2,746,560.27
  5. Step 5: Solve for x
    x = 2,746,560.27/1,923.98
  6. Step 6: Final answer
    x = 1,427.54

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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.