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Finding the Fourth Proportional to 11,579.46, 17,368.73 and 8,059.30

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Solution

The fourth proportional to 11,579.46, 17,368.73 and 8,059.30 is: 12,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.46 : 17,368.73 = 8,059.30 : x
  2. Step 2: Convert to fraction form
    11,579.46/17,368.73 = 8,059.30/x
  3. Step 3: Cross multiply
    11,579.46x = 17,368.73 × 8,059.30
  4. Step 4: Simplify right side
    11,579.46x = 139,979,752.19
  5. Step 5: Solve for x
    x = 139,979,752.19/11,579.46
  6. Step 6: Final answer
    x = 12,088.63

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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.