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Finding the Fourth Proportional to 14,572.67, 21,865.91 and 7,551.37

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Solution

The fourth proportional to 14,572.67, 21,865.91 and 7,551.37 is: 11,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.67 : 21,865.91 = 7,551.37 : x
  2. Step 2: Convert to fraction form
    14,572.67/21,865.91 = 7,551.37/x
  3. Step 3: Cross multiply
    14,572.67x = 21,865.91 × 7,551.37
  4. Step 4: Simplify right side
    14,572.67x = 165,117,541.01
  5. Step 5: Solve for x
    x = 165,117,541.01/14,572.67
  6. Step 6: Final answer
    x = 11,330.63

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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.