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Finding the Fourth Proportional to 1,632.64, 2,254.21 and 1,004.01

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Solution

The fourth proportional to 1,632.64, 2,254.21 and 1,004.01 is: 1,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.64 : 2,254.21 = 1,004.01 : x
  2. Step 2: Convert to fraction form
    1,632.64/2,254.21 = 1,004.01/x
  3. Step 3: Cross multiply
    1,632.64x = 2,254.21 × 1,004.01
  4. Step 4: Simplify right side
    1,632.64x = 2,263,249.38
  5. Step 5: Solve for x
    x = 2,263,249.38/1,632.64
  6. Step 6: Final answer
    x = 1,386.25

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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.