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Finding the Fourth Proportional to 7,322.37, 10,994.48 and 7,213.02

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Solution

The fourth proportional to 7,322.37, 10,994.48 and 7,213.02 is: 10,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.37 : 10,994.48 = 7,213.02 : x
  2. Step 2: Convert to fraction form
    7,322.37/10,994.48 = 7,213.02/x
  3. Step 3: Cross multiply
    7,322.37x = 10,994.48 × 7,213.02
  4. Step 4: Simplify right side
    7,322.37x = 79,303,368.06
  5. Step 5: Solve for x
    x = 79,303,368.06/7,322.37
  6. Step 6: Final answer
    x = 10,830.29

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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.