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Finding the Fourth Proportional to 14,569, 21,851.64 and 4,707.25

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Solution

The fourth proportional to 14,569, 21,851.64 and 4,707.25 is: 7,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569 : 21,851.64 = 4,707.25 : x
  2. Step 2: Convert to fraction form
    14,569/21,851.64 = 4,707.25/x
  3. Step 3: Cross multiply
    14,569x = 21,851.64 × 4,707.25
  4. Step 4: Simplify right side
    14,569x = 102,861,132.39
  5. Step 5: Solve for x
    x = 102,861,132.39/14,569
  6. Step 6: Final answer
    x = 7,060.27

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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.