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Finding the Fourth Proportional to 4,835.63, 7,253.45 and 1,187.63

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Solution

The fourth proportional to 4,835.63, 7,253.45 and 1,187.63 is: 1,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.63 : 7,253.45 = 1,187.63 : x
  2. Step 2: Convert to fraction form
    4,835.63/7,253.45 = 1,187.63/x
  3. Step 3: Cross multiply
    4,835.63x = 7,253.45 × 1,187.63
  4. Step 4: Simplify right side
    4,835.63x = 8,614,372.62
  5. Step 5: Solve for x
    x = 8,614,372.62/4,835.63
  6. Step 6: Final answer
    x = 1,781.44

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1.5x scale

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.