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Finding the Fourth Proportional to 6,453.30, 8,903.24 and 3,658.80

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Solution

The fourth proportional to 6,453.30, 8,903.24 and 3,658.80 is: 5,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.30 : 8,903.24 = 3,658.80 : x
  2. Step 2: Convert to fraction form
    6,453.30/8,903.24 = 3,658.80/x
  3. Step 3: Cross multiply
    6,453.30x = 8,903.24 × 3,658.80
  4. Step 4: Simplify right side
    6,453.30x = 32,575,174.51
  5. Step 5: Solve for x
    x = 32,575,174.51/6,453.30
  6. Step 6: Final answer
    x = 5,047.83

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1.5x scale

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.