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Finding the Fourth Proportional to 1,604.52, 2,214.91 and 975.25

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Solution

The fourth proportional to 1,604.52, 2,214.91 and 975.25 is: 1,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.52 : 2,214.91 = 975.25 : x
  2. Step 2: Convert to fraction form
    1,604.52/2,214.91 = 975.25/x
  3. Step 3: Cross multiply
    1,604.52x = 2,214.91 × 975.25
  4. Step 4: Simplify right side
    1,604.52x = 2,160,096.79
  5. Step 5: Solve for x
    x = 2,160,096.79/1,604.52
  6. Step 6: Final answer
    x = 1,346.26

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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.