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Finding the Fourth Proportional to 7,571.84, 10,455.62 and 7,233.62

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Solution

The fourth proportional to 7,571.84, 10,455.62 and 7,233.62 is: 9,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.84 : 10,455.62 = 7,233.62 : x
  2. Step 2: Convert to fraction form
    7,571.84/10,455.62 = 7,233.62/x
  3. Step 3: Cross multiply
    7,571.84x = 10,455.62 × 7,233.62
  4. Step 4: Simplify right side
    7,571.84x = 75,631,893.50
  5. Step 5: Solve for x
    x = 75,631,893.50/7,571.84
  6. Step 6: Final answer
    x = 9,988.58

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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.