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Finding the Fourth Proportional to 6,647.63, 9,177.53 and 4,412.52

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Solution

The fourth proportional to 6,647.63, 9,177.53 and 4,412.52 is: 6,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.63 : 9,177.53 = 4,412.52 : x
  2. Step 2: Convert to fraction form
    6,647.63/9,177.53 = 4,412.52/x
  3. Step 3: Cross multiply
    6,647.63x = 9,177.53 × 4,412.52
  4. Step 4: Simplify right side
    6,647.63x = 40,496,012.61
  5. Step 5: Solve for x
    x = 40,496,012.61/6,647.63
  6. Step 6: Final answer
    x = 6,091.80

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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.