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Finding the Fourth Proportional to 8,883.51, 13,300.64 and 4,491.79

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Solution

The fourth proportional to 8,883.51, 13,300.64 and 4,491.79 is: 6,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.51 : 13,300.64 = 4,491.79 : x
  2. Step 2: Convert to fraction form
    8,883.51/13,300.64 = 4,491.79/x
  3. Step 3: Cross multiply
    8,883.51x = 13,300.64 × 4,491.79
  4. Step 4: Simplify right side
    8,883.51x = 59,743,642.88
  5. Step 5: Solve for x
    x = 59,743,642.88/8,883.51
  6. Step 6: Final answer
    x = 6,725.23

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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.