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Finding the Fourth Proportional to 13,044.93, 18,001.76 and 7,223.87

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Solution

The fourth proportional to 13,044.93, 18,001.76 and 7,223.87 is: 9,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.93 : 18,001.76 = 7,223.87 : x
  2. Step 2: Convert to fraction form
    13,044.93/18,001.76 = 7,223.87/x
  3. Step 3: Cross multiply
    13,044.93x = 18,001.76 × 7,223.87
  4. Step 4: Simplify right side
    13,044.93x = 130,042,247.88
  5. Step 5: Solve for x
    x = 130,042,247.88/13,044.93
  6. Step 6: Final answer
    x = 9,968.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.