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Finding the Fourth Proportional to 7,393.47, 11,087.13 and 3,007.95

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Solution

The fourth proportional to 7,393.47, 11,087.13 and 3,007.95 is: 4,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.47 : 11,087.13 = 3,007.95 : x
  2. Step 2: Convert to fraction form
    7,393.47/11,087.13 = 3,007.95/x
  3. Step 3: Cross multiply
    7,393.47x = 11,087.13 × 3,007.95
  4. Step 4: Simplify right side
    7,393.47x = 33,349,532.68
  5. Step 5: Solve for x
    x = 33,349,532.68/7,393.47
  6. Step 6: Final answer
    x = 4,510.67

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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.