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Finding the Fourth Proportional to 7,222.40, 10,830.90 and 5,024.60

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Solution

The fourth proportional to 7,222.40, 10,830.90 and 5,024.60 is: 7,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.40 : 10,830.90 = 5,024.60 : x
  2. Step 2: Convert to fraction form
    7,222.40/10,830.90 = 5,024.60/x
  3. Step 3: Cross multiply
    7,222.40x = 10,830.90 × 5,024.60
  4. Step 4: Simplify right side
    7,222.40x = 54,420,940.14
  5. Step 5: Solve for x
    x = 54,420,940.14/7,222.40
  6. Step 6: Final answer
    x = 7,535.02

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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.