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Finding the Fourth Proportional to 9,883.78, 14,828.10 and 6,967.78

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Solution

The fourth proportional to 9,883.78, 14,828.10 and 6,967.78 is: 10,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.78 : 14,828.10 = 6,967.78 : x
  2. Step 2: Convert to fraction form
    9,883.78/14,828.10 = 6,967.78/x
  3. Step 3: Cross multiply
    9,883.78x = 14,828.10 × 6,967.78
  4. Step 4: Simplify right side
    9,883.78x = 103,318,938.62
  5. Step 5: Solve for x
    x = 103,318,938.62/9,883.78
  6. Step 6: Final answer
    x = 10,453.38

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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.