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Finding the Fourth Proportional to 7,223.84, 9,968.94 and 4,037.19

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Solution

The fourth proportional to 7,223.84, 9,968.94 and 4,037.19 is: 5,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.84 : 9,968.94 = 4,037.19 : x
  2. Step 2: Convert to fraction form
    7,223.84/9,968.94 = 4,037.19/x
  3. Step 3: Cross multiply
    7,223.84x = 9,968.94 × 4,037.19
  4. Step 4: Simplify right side
    7,223.84x = 40,246,459.77
  5. Step 5: Solve for x
    x = 40,246,459.77/7,223.84
  6. Step 6: Final answer
    x = 5,571.34

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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.