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Finding the Fourth Proportional to 7,494.48, 10,325.64 and 6,795.60

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Solution

The fourth proportional to 7,494.48, 10,325.64 and 6,795.60 is: 9,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.48 : 10,325.64 = 6,795.60 : x
  2. Step 2: Convert to fraction form
    7,494.48/10,325.64 = 6,795.60/x
  3. Step 3: Cross multiply
    7,494.48x = 10,325.64 × 6,795.60
  4. Step 4: Simplify right side
    7,494.48x = 70,168,919.18
  5. Step 5: Solve for x
    x = 70,168,919.18/7,494.48
  6. Step 6: Final answer
    x = 9,362.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.