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Finding the Fourth Proportional to 2,673.27, 4,008.88 and 917.95

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Solution

The fourth proportional to 2,673.27, 4,008.88 and 917.95 is: 1,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.27 : 4,008.88 = 917.95 : x
  2. Step 2: Convert to fraction form
    2,673.27/4,008.88 = 917.95/x
  3. Step 3: Cross multiply
    2,673.27x = 4,008.88 × 917.95
  4. Step 4: Simplify right side
    2,673.27x = 3,679,929.06
  5. Step 5: Solve for x
    x = 3,679,929.06/2,673.27
  6. Step 6: Final answer
    x = 1,376.56

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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.