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Finding the Fourth Proportional to 2,823.44, 4,233.74 and 974.06

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Solution

The fourth proportional to 2,823.44, 4,233.74 and 974.06 is: 1,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.44 : 4,233.74 = 974.06 : x
  2. Step 2: Convert to fraction form
    2,823.44/4,233.74 = 974.06/x
  3. Step 3: Cross multiply
    2,823.44x = 4,233.74 × 974.06
  4. Step 4: Simplify right side
    2,823.44x = 4,123,916.78
  5. Step 5: Solve for x
    x = 4,123,916.78/2,823.44
  6. Step 6: Final answer
    x = 1,460.60

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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.