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Finding the Fourth Proportional to 6,090.79, 9,130.78 and 2,969.05

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Solution

The fourth proportional to 6,090.79, 9,130.78 and 2,969.05 is: 4,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.79 : 9,130.78 = 2,969.05 : x
  2. Step 2: Convert to fraction form
    6,090.79/9,130.78 = 2,969.05/x
  3. Step 3: Cross multiply
    6,090.79x = 9,130.78 × 2,969.05
  4. Step 4: Simplify right side
    6,090.79x = 27,109,742.36
  5. Step 5: Solve for x
    x = 27,109,742.36/6,090.79
  6. Step 6: Final answer
    x = 4,450.94

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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.