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Finding the Fourth Proportional to 2,993.64, 4,490.40 and 2,993.64

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Solution

The fourth proportional to 2,993.64, 4,490.40 and 2,993.64 is: 4,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.64 : 4,490.40 = 2,993.64 : x
  2. Step 2: Convert to fraction form
    2,993.64/4,490.40 = 2,993.64/x
  3. Step 3: Cross multiply
    2,993.64x = 4,490.40 × 2,993.64
  4. Step 4: Simplify right side
    2,993.64x = 13,442,641.06
  5. Step 5: Solve for x
    x = 13,442,641.06/2,993.64
  6. Step 6: Final answer
    x = 4,490.40

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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.