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Finding the Fourth Proportional to 9,700.37, 14,550.54 and 2,680.37

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Solution

The fourth proportional to 9,700.37, 14,550.54 and 2,680.37 is: 4,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,700.37 : 14,550.54 = 2,680.37 : x
  2. Step 2: Convert to fraction form
    9,700.37/14,550.54 = 2,680.37/x
  3. Step 3: Cross multiply
    9,700.37x = 14,550.54 × 2,680.37
  4. Step 4: Simplify right side
    9,700.37x = 39,000,830.90
  5. Step 5: Solve for x
    x = 39,000,830.90/9,700.37
  6. Step 6: Final answer
    x = 4,020.55

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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.