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Finding the Fourth Proportional to 14,025.57, 21,042.02 and 5,260.65

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Solution

The fourth proportional to 14,025.57, 21,042.02 and 5,260.65 is: 7,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.57 : 21,042.02 = 5,260.65 : x
  2. Step 2: Convert to fraction form
    14,025.57/21,042.02 = 5,260.65/x
  3. Step 3: Cross multiply
    14,025.57x = 21,042.02 × 5,260.65
  4. Step 4: Simplify right side
    14,025.57x = 110,694,676.21
  5. Step 5: Solve for x
    x = 110,694,676.21/14,025.57
  6. Step 6: Final answer
    x = 7,892.35

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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.