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Finding the Fourth Proportional to 3,325.16, 4,978.07 and 1,934.25

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Solution

The fourth proportional to 3,325.16, 4,978.07 and 1,934.25 is: 2,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.16 : 4,978.07 = 1,934.25 : x
  2. Step 2: Convert to fraction form
    3,325.16/4,978.07 = 1,934.25/x
  3. Step 3: Cross multiply
    3,325.16x = 4,978.07 × 1,934.25
  4. Step 4: Simplify right side
    3,325.16x = 9,628,822.23
  5. Step 5: Solve for x
    x = 9,628,822.23/3,325.16
  6. Step 6: Final answer
    x = 2,895.75

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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.