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Finding the Fourth Proportional to 14,059.94, 21,081.92 and 5,730.20

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Solution

The fourth proportional to 14,059.94, 21,081.92 and 5,730.20 is: 8,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.94 : 21,081.92 = 5,730.20 : x
  2. Step 2: Convert to fraction form
    14,059.94/21,081.92 = 5,730.20/x
  3. Step 3: Cross multiply
    14,059.94x = 21,081.92 × 5,730.20
  4. Step 4: Simplify right side
    14,059.94x = 120,803,617.98
  5. Step 5: Solve for x
    x = 120,803,617.98/14,059.94
  6. Step 6: Final answer
    x = 8,592.04

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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.