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Finding the Fourth Proportional to 30.56, 46 and 27.24

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Solution

The fourth proportional to 30.56, 46 and 27.24 is: 41.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.56 : 46 = 27.24 : x
  2. Step 2: Convert to fraction form
    30.56/46 = 27.24/x
  3. Step 3: Cross multiply
    30.56x = 46 × 27.24
  4. Step 4: Simplify right side
    30.56x = 1,253.04
  5. Step 5: Solve for x
    x = 1,253.04/30.56
  6. Step 6: Final answer
    x = 41.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.