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Finding the Fourth Proportional to 7,158.44, 9,944.79 and 7,094.36

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Solution

The fourth proportional to 7,158.44, 9,944.79 and 7,094.36 is: 9,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.44 : 9,944.79 = 7,094.36 : x
  2. Step 2: Convert to fraction form
    7,158.44/9,944.79 = 7,094.36/x
  3. Step 3: Cross multiply
    7,158.44x = 9,944.79 × 7,094.36
  4. Step 4: Simplify right side
    7,158.44x = 70,551,920.38
  5. Step 5: Solve for x
    x = 70,551,920.38/7,158.44
  6. Step 6: Final answer
    x = 9,855.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.