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Finding the Fourth Proportional to 9,153.92, 12,620.94 and 7,473.44

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Solution

The fourth proportional to 9,153.92, 12,620.94 and 7,473.44 is: 10,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.92 : 12,620.94 = 7,473.44 : x
  2. Step 2: Convert to fraction form
    9,153.92/12,620.94 = 7,473.44/x
  3. Step 3: Cross multiply
    9,153.92x = 12,620.94 × 7,473.44
  4. Step 4: Simplify right side
    9,153.92x = 94,321,837.83
  5. Step 5: Solve for x
    x = 94,321,837.83/9,153.92
  6. Step 6: Final answer
    x = 10,303.98

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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.