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Finding the Fourth Proportional to 7,223.96, 10,834.98 and 2,840.24

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Solution

The fourth proportional to 7,223.96, 10,834.98 and 2,840.24 is: 4,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.96 : 10,834.98 = 2,840.24 : x
  2. Step 2: Convert to fraction form
    7,223.96/10,834.98 = 2,840.24/x
  3. Step 3: Cross multiply
    7,223.96x = 10,834.98 × 2,840.24
  4. Step 4: Simplify right side
    7,223.96x = 30,773,943.60
  5. Step 5: Solve for x
    x = 30,773,943.60/7,223.96
  6. Step 6: Final answer
    x = 4,259.98

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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.