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Finding the Fourth Proportional to 1,924.98, 2,887.67 and 626.14

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Solution

The fourth proportional to 1,924.98, 2,887.67 and 626.14 is: 939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.98 : 2,887.67 = 626.14 : x
  2. Step 2: Convert to fraction form
    1,924.98/2,887.67 = 626.14/x
  3. Step 3: Cross multiply
    1,924.98x = 2,887.67 × 626.14
  4. Step 4: Simplify right side
    1,924.98x = 1,808,085.69
  5. Step 5: Solve for x
    x = 1,808,085.69/1,924.98
  6. Step 6: Final answer
    x = 939.28

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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.