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Finding the Fourth Proportional to 3,254.34, 4,882.34 and 945.84

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Solution

The fourth proportional to 3,254.34, 4,882.34 and 945.84 is: 1,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.34 : 4,882.34 = 945.84 : x
  2. Step 2: Convert to fraction form
    3,254.34/4,882.34 = 945.84/x
  3. Step 3: Cross multiply
    3,254.34x = 4,882.34 × 945.84
  4. Step 4: Simplify right side
    3,254.34x = 4,617,933.14
  5. Step 5: Solve for x
    x = 4,617,933.14/3,254.34
  6. Step 6: Final answer
    x = 1,419.01

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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.