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Finding the Fourth Proportional to 2,093.48, 3,140.37 and 632.75

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Solution

The fourth proportional to 2,093.48, 3,140.37 and 632.75 is: 949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.48 : 3,140.37 = 632.75 : x
  2. Step 2: Convert to fraction form
    2,093.48/3,140.37 = 632.75/x
  3. Step 3: Cross multiply
    2,093.48x = 3,140.37 × 632.75
  4. Step 4: Simplify right side
    2,093.48x = 1,987,053.42
  5. Step 5: Solve for x
    x = 1,987,053.42/2,093.48
  6. Step 6: Final answer
    x = 949.16

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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.