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Finding the Fourth Proportional to 7,223.41, 9,968.19 and 4,036.76

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Solution

The fourth proportional to 7,223.41, 9,968.19 and 4,036.76 is: 5,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.41 : 9,968.19 = 4,036.76 : x
  2. Step 2: Convert to fraction form
    7,223.41/9,968.19 = 4,036.76/x
  3. Step 3: Cross multiply
    7,223.41x = 9,968.19 × 4,036.76
  4. Step 4: Simplify right side
    7,223.41x = 40,239,163.07
  5. Step 5: Solve for x
    x = 40,239,163.07/7,223.41
  6. Step 6: Final answer
    x = 5,570.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.