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Finding the Fourth Proportional to 1,633.14, 2,254.10 and 1,004.21

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Solution

The fourth proportional to 1,633.14, 2,254.10 and 1,004.21 is: 1,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.14 : 2,254.10 = 1,004.21 : x
  2. Step 2: Convert to fraction form
    1,633.14/2,254.10 = 1,004.21/x
  3. Step 3: Cross multiply
    1,633.14x = 2,254.10 × 1,004.21
  4. Step 4: Simplify right side
    1,633.14x = 2,263,590.38
  5. Step 5: Solve for x
    x = 2,263,590.38/1,633.14
  6. Step 6: Final answer
    x = 1,386.03

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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.