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Finding the Fourth Proportional to 13,025.44, 17,974.06 and 7,360.68

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Solution

The fourth proportional to 13,025.44, 17,974.06 and 7,360.68 is: 10,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.44 : 17,974.06 = 7,360.68 : x
  2. Step 2: Convert to fraction form
    13,025.44/17,974.06 = 7,360.68/x
  3. Step 3: Cross multiply
    13,025.44x = 17,974.06 × 7,360.68
  4. Step 4: Simplify right side
    13,025.44x = 132,301,303.96
  5. Step 5: Solve for x
    x = 132,301,303.96/13,025.44
  6. Step 6: Final answer
    x = 10,157.15

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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.