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Finding the Fourth Proportional to 7,597.80, 11,399.40 and 7,327.80

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Solution

The fourth proportional to 7,597.80, 11,399.40 and 7,327.80 is: 10,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,597.80 : 11,399.40 = 7,327.80 : x
  2. Step 2: Convert to fraction form
    7,597.80/11,399.40 = 7,327.80/x
  3. Step 3: Cross multiply
    7,597.80x = 11,399.40 × 7,327.80
  4. Step 4: Simplify right side
    7,597.80x = 83,532,523.32
  5. Step 5: Solve for x
    x = 83,532,523.32/7,597.80
  6. Step 6: Final answer
    x = 10,994.30

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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.