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Finding the Fourth Proportional to 5,554.52, 7,665.22 and 3,036.63

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Solution

The fourth proportional to 5,554.52, 7,665.22 and 3,036.63 is: 4,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.52 : 7,665.22 = 3,036.63 : x
  2. Step 2: Convert to fraction form
    5,554.52/7,665.22 = 3,036.63/x
  3. Step 3: Cross multiply
    5,554.52x = 7,665.22 × 3,036.63
  4. Step 4: Simplify right side
    5,554.52x = 23,276,437.01
  5. Step 5: Solve for x
    x = 23,276,437.01/5,554.52
  6. Step 6: Final answer
    x = 4,190.54

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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.