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Finding the Fourth Proportional to 5,505.63, 7,597.76 and 3,021.63

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Solution

The fourth proportional to 5,505.63, 7,597.76 and 3,021.63 is: 4,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.63 : 7,597.76 = 3,021.63 : x
  2. Step 2: Convert to fraction form
    5,505.63/7,597.76 = 3,021.63/x
  3. Step 3: Cross multiply
    5,505.63x = 7,597.76 × 3,021.63
  4. Step 4: Simplify right side
    5,505.63x = 22,957,619.55
  5. Step 5: Solve for x
    x = 22,957,619.55/5,505.63
  6. Step 6: Final answer
    x = 4,169.84

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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.