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Finding the Fourth Proportional to 11,253.30, 16,879.95 and 4,233.30

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Solution

The fourth proportional to 11,253.30, 16,879.95 and 4,233.30 is: 6,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.30 : 16,879.95 = 4,233.30 : x
  2. Step 2: Convert to fraction form
    11,253.30/16,879.95 = 4,233.30/x
  3. Step 3: Cross multiply
    11,253.30x = 16,879.95 × 4,233.30
  4. Step 4: Simplify right side
    11,253.30x = 71,457,892.34
  5. Step 5: Solve for x
    x = 71,457,892.34/11,253.30
  6. Step 6: Final answer
    x = 6,349.95

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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.