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Finding the Fourth Proportional to 1,149.16, 1,724.16 and 564.10

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Solution

The fourth proportional to 1,149.16, 1,724.16 and 564.10 is: 846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.16 : 1,724.16 = 564.10 : x
  2. Step 2: Convert to fraction form
    1,149.16/1,724.16 = 564.10/x
  3. Step 3: Cross multiply
    1,149.16x = 1,724.16 × 564.10
  4. Step 4: Simplify right side
    1,149.16x = 972,602.15
  5. Step 5: Solve for x
    x = 972,602.15/1,149.16
  6. Step 6: Final answer
    x = 846.36

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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.