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Finding the Fourth Proportional to 15,059.69, 20,799.41 and 10,271.46

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Solution

The fourth proportional to 15,059.69, 20,799.41 and 10,271.46 is: 14,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.69 : 20,799.41 = 10,271.46 : x
  2. Step 2: Convert to fraction form
    15,059.69/20,799.41 = 10,271.46/x
  3. Step 3: Cross multiply
    15,059.69x = 20,799.41 × 10,271.46
  4. Step 4: Simplify right side
    15,059.69x = 213,640,256.48
  5. Step 5: Solve for x
    x = 213,640,256.48/15,059.69
  6. Step 6: Final answer
    x = 14,186.24

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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.