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Finding the Fourth Proportional to 14,523.66, 21,785.34 and 7,018.44

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Solution

The fourth proportional to 14,523.66, 21,785.34 and 7,018.44 is: 10,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.66 : 21,785.34 = 7,018.44 : x
  2. Step 2: Convert to fraction form
    14,523.66/21,785.34 = 7,018.44/x
  3. Step 3: Cross multiply
    14,523.66x = 21,785.34 × 7,018.44
  4. Step 4: Simplify right side
    14,523.66x = 152,899,101.67
  5. Step 5: Solve for x
    x = 152,899,101.67/14,523.66
  6. Step 6: Final answer
    x = 10,527.59

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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.