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Finding the Fourth Proportional to 1,046.22, 1,571.16 and 800.18

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Solution

The fourth proportional to 1,046.22, 1,571.16 and 800.18 is: 1,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.22 : 1,571.16 = 800.18 : x
  2. Step 2: Convert to fraction form
    1,046.22/1,571.16 = 800.18/x
  3. Step 3: Cross multiply
    1,046.22x = 1,571.16 × 800.18
  4. Step 4: Simplify right side
    1,046.22x = 1,257,210.81
  5. Step 5: Solve for x
    x = 1,257,210.81/1,046.22
  6. Step 6: Final answer
    x = 1,201.67

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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.