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Finding the Fourth Proportional to 12,573.44, 17,353.48 and 7,271.34

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Solution

The fourth proportional to 12,573.44, 17,353.48 and 7,271.34 is: 10,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.44 : 17,353.48 = 7,271.34 : x
  2. Step 2: Convert to fraction form
    12,573.44/17,353.48 = 7,271.34/x
  3. Step 3: Cross multiply
    12,573.44x = 17,353.48 × 7,271.34
  4. Step 4: Simplify right side
    12,573.44x = 126,183,053.26
  5. Step 5: Solve for x
    x = 126,183,053.26/12,573.44
  6. Step 6: Final answer
    x = 10,035.68

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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.