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Finding the Fourth Proportional to 1,182.93, 1,632.60 and 852.45

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Solution

The fourth proportional to 1,182.93, 1,632.60 and 852.45 is: 1,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.93 : 1,632.60 = 852.45 : x
  2. Step 2: Convert to fraction form
    1,182.93/1,632.60 = 852.45/x
  3. Step 3: Cross multiply
    1,182.93x = 1,632.60 × 852.45
  4. Step 4: Simplify right side
    1,182.93x = 1,391,709.87
  5. Step 5: Solve for x
    x = 1,391,709.87/1,182.93
  6. Step 6: Final answer
    x = 1,176.49

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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.