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Finding the Fourth Proportional to 9,954.79, 14,814.67 and 9,622.64

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Solution

The fourth proportional to 9,954.79, 14,814.67 and 9,622.64 is: 14,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.79 : 14,814.67 = 9,622.64 : x
  2. Step 2: Convert to fraction form
    9,954.79/14,814.67 = 9,622.64/x
  3. Step 3: Cross multiply
    9,954.79x = 14,814.67 × 9,622.64
  4. Step 4: Simplify right side
    9,954.79x = 142,556,236.13
  5. Step 5: Solve for x
    x = 142,556,236.13/9,954.79
  6. Step 6: Final answer
    x = 14,320.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.