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Finding the Fourth Proportional to 14,297.76, 21,441.24 and 6,899.76

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Solution

The fourth proportional to 14,297.76, 21,441.24 and 6,899.76 is: 10,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.76 : 21,441.24 = 6,899.76 : x
  2. Step 2: Convert to fraction form
    14,297.76/21,441.24 = 6,899.76/x
  3. Step 3: Cross multiply
    14,297.76x = 21,441.24 × 6,899.76
  4. Step 4: Simplify right side
    14,297.76x = 147,939,410.10
  5. Step 5: Solve for x
    x = 147,939,410.10/14,297.76
  6. Step 6: Final answer
    x = 10,347.03

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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.