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Finding the Fourth Proportional to 9,459.75, 13,054.86 and 5,268

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Solution

The fourth proportional to 9,459.75, 13,054.86 and 5,268 is: 7,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.75 : 13,054.86 = 5,268 : x
  2. Step 2: Convert to fraction form
    9,459.75/13,054.86 = 5,268/x
  3. Step 3: Cross multiply
    9,459.75x = 13,054.86 × 5,268
  4. Step 4: Simplify right side
    9,459.75x = 68,773,002.48
  5. Step 5: Solve for x
    x = 68,773,002.48/9,459.75
  6. Step 6: Final answer
    x = 7,270.07

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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.