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Finding the Fourth Proportional to 3,049.84, 4,574.74 and 741.34

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Solution

The fourth proportional to 3,049.84, 4,574.74 and 741.34 is: 1,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.84 : 4,574.74 = 741.34 : x
  2. Step 2: Convert to fraction form
    3,049.84/4,574.74 = 741.34/x
  3. Step 3: Cross multiply
    3,049.84x = 4,574.74 × 741.34
  4. Step 4: Simplify right side
    3,049.84x = 3,391,437.75
  5. Step 5: Solve for x
    x = 3,391,437.75/3,049.84
  6. Step 6: Final answer
    x = 1,112.01

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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.