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Finding the Fourth Proportional to 10,393.44, 15,581.25 and 7,096.74

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Solution

The fourth proportional to 10,393.44, 15,581.25 and 7,096.74 is: 10,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.44 : 15,581.25 = 7,096.74 : x
  2. Step 2: Convert to fraction form
    10,393.44/15,581.25 = 7,096.74/x
  3. Step 3: Cross multiply
    10,393.44x = 15,581.25 × 7,096.74
  4. Step 4: Simplify right side
    10,393.44x = 110,576,080.13
  5. Step 5: Solve for x
    x = 110,576,080.13/10,393.44
  6. Step 6: Final answer
    x = 10,639.03

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1.5x scale

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.