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Finding the Fourth Proportional to 14,493.96, 21,745.28 and 8,333.64

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Solution

The fourth proportional to 14,493.96, 21,745.28 and 8,333.64 is: 12,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.96 : 21,745.28 = 8,333.64 : x
  2. Step 2: Convert to fraction form
    14,493.96/21,745.28 = 8,333.64/x
  3. Step 3: Cross multiply
    14,493.96x = 21,745.28 × 8,333.64
  4. Step 4: Simplify right side
    14,493.96x = 181,217,293.55
  5. Step 5: Solve for x
    x = 181,217,293.55/14,493.96
  6. Step 6: Final answer
    x = 12,502.95

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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.