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Finding the Fourth Proportional to 1,152.16, 1,728.07 and 567.00

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Solution

The fourth proportional to 1,152.16, 1,728.07 and 567.00 is: 850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152.16 : 1,728.07 = 567.00 : x
  2. Step 2: Convert to fraction form
    1,152.16/1,728.07 = 567.00/x
  3. Step 3: Cross multiply
    1,152.16x = 1,728.07 × 567.00
  4. Step 4: Simplify right side
    1,152.16x = 979,820.75
  5. Step 5: Solve for x
    x = 979,820.75/1,152.16
  6. Step 6: Final answer
    x = 850.42

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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.