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Finding the Fourth Proportional to 4,764.54, 7,145.30 and 4,453.58

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Solution

The fourth proportional to 4,764.54, 7,145.30 and 4,453.58 is: 6,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.54 : 7,145.30 = 4,453.58 : x
  2. Step 2: Convert to fraction form
    4,764.54/7,145.30 = 4,453.58/x
  3. Step 3: Cross multiply
    4,764.54x = 7,145.30 × 4,453.58
  4. Step 4: Simplify right side
    4,764.54x = 31,822,160.77
  5. Step 5: Solve for x
    x = 31,822,160.77/4,764.54
  6. Step 6: Final answer
    x = 6,678.96

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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.