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Finding the Fourth Proportional to 3,453.93, 4,764.69 and 2,125.53

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Solution

The fourth proportional to 3,453.93, 4,764.69 and 2,125.53 is: 2,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.93 : 4,764.69 = 2,125.53 : x
  2. Step 2: Convert to fraction form
    3,453.93/4,764.69 = 2,125.53/x
  3. Step 3: Cross multiply
    3,453.93x = 4,764.69 × 2,125.53
  4. Step 4: Simplify right side
    3,453.93x = 10,127,491.54
  5. Step 5: Solve for x
    x = 10,127,491.54/3,453.93
  6. Step 6: Final answer
    x = 2,932.16

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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.