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Finding the Fourth Proportional to 9,738.20, 14,585.70 and 8,010.20

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Solution

The fourth proportional to 9,738.20, 14,585.70 and 8,010.20 is: 11,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.20 : 14,585.70 = 8,010.20 : x
  2. Step 2: Convert to fraction form
    9,738.20/14,585.70 = 8,010.20/x
  3. Step 3: Cross multiply
    9,738.20x = 14,585.70 × 8,010.20
  4. Step 4: Simplify right side
    9,738.20x = 116,834,374.14
  5. Step 5: Solve for x
    x = 116,834,374.14/9,738.20
  6. Step 6: Final answer
    x = 11,997.53

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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.