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Finding the Fourth Proportional to 1,184.63, 1,632.45 and 852.42

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Solution

The fourth proportional to 1,184.63, 1,632.45 and 852.42 is: 1,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.63 : 1,632.45 = 852.42 : x
  2. Step 2: Convert to fraction form
    1,184.63/1,632.45 = 852.42/x
  3. Step 3: Cross multiply
    1,184.63x = 1,632.45 × 852.42
  4. Step 4: Simplify right side
    1,184.63x = 1,391,542.35
  5. Step 5: Solve for x
    x = 1,391,542.35/1,184.63
  6. Step 6: Final answer
    x = 1,174.67

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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.