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Finding the Fourth Proportional to 1,524.63, 2,103.99 and 852.45

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Solution

The fourth proportional to 1,524.63, 2,103.99 and 852.45 is: 1,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.63 : 2,103.99 = 852.45 : x
  2. Step 2: Convert to fraction form
    1,524.63/2,103.99 = 852.45/x
  3. Step 3: Cross multiply
    1,524.63x = 2,103.99 × 852.45
  4. Step 4: Simplify right side
    1,524.63x = 1,793,552.45
  5. Step 5: Solve for x
    x = 1,793,552.45/1,524.63
  6. Step 6: Final answer
    x = 1,176.39

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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.