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Finding the Fourth Proportional to 1,673.10, 2,308.92 and 927.06

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Solution

The fourth proportional to 1,673.10, 2,308.92 and 927.06 is: 1,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.10 : 2,308.92 = 927.06 : x
  2. Step 2: Convert to fraction form
    1,673.10/2,308.92 = 927.06/x
  3. Step 3: Cross multiply
    1,673.10x = 2,308.92 × 927.06
  4. Step 4: Simplify right side
    1,673.10x = 2,140,507.38
  5. Step 5: Solve for x
    x = 2,140,507.38/1,673.10
  6. Step 6: Final answer
    x = 1,279.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.