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Finding the Fourth Proportional to 7,653.81, 11,480.72 and 3,036.81

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Solution

The fourth proportional to 7,653.81, 11,480.72 and 3,036.81 is: 4,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.81 : 11,480.72 = 3,036.81 : x
  2. Step 2: Convert to fraction form
    7,653.81/11,480.72 = 3,036.81/x
  3. Step 3: Cross multiply
    7,653.81x = 11,480.72 × 3,036.81
  4. Step 4: Simplify right side
    7,653.81x = 34,864,765.30
  5. Step 5: Solve for x
    x = 34,864,765.30/7,653.81
  6. Step 6: Final answer
    x = 4,555.22

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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.