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Finding the Fourth Proportional to 7,355.81, 11,033.72 and 1,883.81

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Solution

The fourth proportional to 7,355.81, 11,033.72 and 1,883.81 is: 2,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.81 : 11,033.72 = 1,883.81 : x
  2. Step 2: Convert to fraction form
    7,355.81/11,033.72 = 1,883.81/x
  3. Step 3: Cross multiply
    7,355.81x = 11,033.72 × 1,883.81
  4. Step 4: Simplify right side
    7,355.81x = 20,785,457.30
  5. Step 5: Solve for x
    x = 20,785,457.30/7,355.81
  6. Step 6: Final answer
    x = 2,825.72

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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.