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Finding the Fourth Proportional to 9,226.58, 13,858.97 and 8,980.52

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Solution

The fourth proportional to 9,226.58, 13,858.97 and 8,980.52 is: 13,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.58 : 13,858.97 = 8,980.52 : x
  2. Step 2: Convert to fraction form
    9,226.58/13,858.97 = 8,980.52/x
  3. Step 3: Cross multiply
    9,226.58x = 13,858.97 × 8,980.52
  4. Step 4: Simplify right side
    9,226.58x = 124,460,643.07
  5. Step 5: Solve for x
    x = 124,460,643.07/9,226.58
  6. Step 6: Final answer
    x = 13,489.37

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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.