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Finding the Fourth Proportional to 5,751.06, 8,619.09 and 5,007.48

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Solution

The fourth proportional to 5,751.06, 8,619.09 and 5,007.48 is: 7,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.06 : 8,619.09 = 5,007.48 : x
  2. Step 2: Convert to fraction form
    5,751.06/8,619.09 = 5,007.48/x
  3. Step 3: Cross multiply
    5,751.06x = 8,619.09 × 5,007.48
  4. Step 4: Simplify right side
    5,751.06x = 43,159,920.79
  5. Step 5: Solve for x
    x = 43,159,920.79/5,751.06
  6. Step 6: Final answer
    x = 7,504.69

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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.