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Finding the Fourth Proportional to 7,539.90, 11,309.90 and 2,274.93

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Solution

The fourth proportional to 7,539.90, 11,309.90 and 2,274.93 is: 3,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.90 : 11,309.90 = 2,274.93 : x
  2. Step 2: Convert to fraction form
    7,539.90/11,309.90 = 2,274.93/x
  3. Step 3: Cross multiply
    7,539.90x = 11,309.90 × 2,274.93
  4. Step 4: Simplify right side
    7,539.90x = 25,729,219.43
  5. Step 5: Solve for x
    x = 25,729,219.43/7,539.90
  6. Step 6: Final answer
    x = 3,412.41

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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.