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Finding the Fourth Proportional to 4,955.04, 7,431.48 and 1,491.48

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Solution

The fourth proportional to 4,955.04, 7,431.48 and 1,491.48 is: 2,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.04 : 7,431.48 = 1,491.48 : x
  2. Step 2: Convert to fraction form
    4,955.04/7,431.48 = 1,491.48/x
  3. Step 3: Cross multiply
    4,955.04x = 7,431.48 × 1,491.48
  4. Step 4: Simplify right side
    4,955.04x = 11,083,903.79
  5. Step 5: Solve for x
    x = 11,083,903.79/4,955.04
  6. Step 6: Final answer
    x = 2,236.89

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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.