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Finding the Fourth Proportional to 7,561.98, 11,342.91 and 2,944.98

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Solution

The fourth proportional to 7,561.98, 11,342.91 and 2,944.98 is: 4,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.98 : 11,342.91 = 2,944.98 : x
  2. Step 2: Convert to fraction form
    7,561.98/11,342.91 = 2,944.98/x
  3. Step 3: Cross multiply
    7,561.98x = 11,342.91 × 2,944.98
  4. Step 4: Simplify right side
    7,561.98x = 33,404,643.09
  5. Step 5: Solve for x
    x = 33,404,643.09/7,561.98
  6. Step 6: Final answer
    x = 4,417.45

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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.