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Finding the Fourth Proportional to 16,674.80, 25,018.06 and 10,427.72

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Solution

The fourth proportional to 16,674.80, 25,018.06 and 10,427.72 is: 15,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.80 : 25,018.06 = 10,427.72 : x
  2. Step 2: Convert to fraction form
    16,674.80/25,018.06 = 10,427.72/x
  3. Step 3: Cross multiply
    16,674.80x = 25,018.06 × 10,427.72
  4. Step 4: Simplify right side
    16,674.80x = 260,881,324.62
  5. Step 5: Solve for x
    x = 260,881,324.62/16,674.80
  6. Step 6: Final answer
    x = 15,645.24

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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.