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Finding the Fourth Proportional to 6,436.48, 9,654.43 and 1,756.47

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Solution

The fourth proportional to 6,436.48, 9,654.43 and 1,756.47 is: 2,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.48 : 9,654.43 = 1,756.47 : x
  2. Step 2: Convert to fraction form
    6,436.48/9,654.43 = 1,756.47/x
  3. Step 3: Cross multiply
    6,436.48x = 9,654.43 × 1,756.47
  4. Step 4: Simplify right side
    6,436.48x = 16,957,703.63
  5. Step 5: Solve for x
    x = 16,957,703.63/6,436.48
  6. Step 6: Final answer
    x = 2,634.63

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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.