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Finding the Fourth Proportional to 9,028.61, 13,510.08 and 7,453.97

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Solution

The fourth proportional to 9,028.61, 13,510.08 and 7,453.97 is: 11,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.61 : 13,510.08 = 7,453.97 : x
  2. Step 2: Convert to fraction form
    9,028.61/13,510.08 = 7,453.97/x
  3. Step 3: Cross multiply
    9,028.61x = 13,510.08 × 7,453.97
  4. Step 4: Simplify right side
    9,028.61x = 100,703,663.47
  5. Step 5: Solve for x
    x = 100,703,663.47/9,028.61
  6. Step 6: Final answer
    x = 11,153.85

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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.