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Finding the Fourth Proportional to 13,096.80, 18,080.04 and 10,259.28

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Solution

The fourth proportional to 13,096.80, 18,080.04 and 10,259.28 is: 14,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.80 : 18,080.04 = 10,259.28 : x
  2. Step 2: Convert to fraction form
    13,096.80/18,080.04 = 10,259.28/x
  3. Step 3: Cross multiply
    13,096.80x = 18,080.04 × 10,259.28
  4. Step 4: Simplify right side
    13,096.80x = 185,488,192.77
  5. Step 5: Solve for x
    x = 185,488,192.77/13,096.80
  6. Step 6: Final answer
    x = 14,162.86

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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.