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Finding the Fourth Proportional to 1,597.64, 2,394.88 and 673.44

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Solution

The fourth proportional to 1,597.64, 2,394.88 and 673.44 is: 1,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.64 : 2,394.88 = 673.44 : x
  2. Step 2: Convert to fraction form
    1,597.64/2,394.88 = 673.44/x
  3. Step 3: Cross multiply
    1,597.64x = 2,394.88 × 673.44
  4. Step 4: Simplify right side
    1,597.64x = 1,612,807.99
  5. Step 5: Solve for x
    x = 1,612,807.99/1,597.64
  6. Step 6: Final answer
    x = 1,009.49

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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.