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Finding the Fourth Proportional to 1,216.36, 1,825.35 and 567.16

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Solution

The fourth proportional to 1,216.36, 1,825.35 and 567.16 is: 851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.36 : 1,825.35 = 567.16 : x
  2. Step 2: Convert to fraction form
    1,216.36/1,825.35 = 567.16/x
  3. Step 3: Cross multiply
    1,216.36x = 1,825.35 × 567.16
  4. Step 4: Simplify right side
    1,216.36x = 1,035,265.51
  5. Step 5: Solve for x
    x = 1,035,265.51/1,216.36
  6. Step 6: Final answer
    x = 851.12

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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.