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Finding the Fourth Proportional to 9,007.69, 13,502.29 and 3,459.54

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Solution

The fourth proportional to 9,007.69, 13,502.29 and 3,459.54 is: 5,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.69 : 13,502.29 = 3,459.54 : x
  2. Step 2: Convert to fraction form
    9,007.69/13,502.29 = 3,459.54/x
  3. Step 3: Cross multiply
    9,007.69x = 13,502.29 × 3,459.54
  4. Step 4: Simplify right side
    9,007.69x = 46,711,712.35
  5. Step 5: Solve for x
    x = 46,711,712.35/9,007.69
  6. Step 6: Final answer
    x = 5,185.76

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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.