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Finding the Fourth Proportional to 3,302.93, 4,955.12 and 994.25

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Solution

The fourth proportional to 3,302.93, 4,955.12 and 994.25 is: 1,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.93 : 4,955.12 = 994.25 : x
  2. Step 2: Convert to fraction form
    3,302.93/4,955.12 = 994.25/x
  3. Step 3: Cross multiply
    3,302.93x = 4,955.12 × 994.25
  4. Step 4: Simplify right side
    3,302.93x = 4,926,628.06
  5. Step 5: Solve for x
    x = 4,926,628.06/3,302.93
  6. Step 6: Final answer
    x = 1,491.59

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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.