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Finding the Fourth Proportional to 8,943.03, 13,421.63 and 4,729.27

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Solution

The fourth proportional to 8,943.03, 13,421.63 and 4,729.27 is: 7,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.03 : 13,421.63 = 4,729.27 : x
  2. Step 2: Convert to fraction form
    8,943.03/13,421.63 = 4,729.27/x
  3. Step 3: Cross multiply
    8,943.03x = 13,421.63 × 4,729.27
  4. Step 4: Simplify right side
    8,943.03x = 63,474,488.46
  5. Step 5: Solve for x
    x = 63,474,488.46/8,943.03
  6. Step 6: Final answer
    x = 7,097.65

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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.