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Finding the Fourth Proportional to 8,216.74, 12,325.74 and 2,373.40

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Solution

The fourth proportional to 8,216.74, 12,325.74 and 2,373.40 is: 3,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.74 : 12,325.74 = 2,373.40 : x
  2. Step 2: Convert to fraction form
    8,216.74/12,325.74 = 2,373.40/x
  3. Step 3: Cross multiply
    8,216.74x = 12,325.74 × 2,373.40
  4. Step 4: Simplify right side
    8,216.74x = 29,253,911.32
  5. Step 5: Solve for x
    x = 29,253,911.32/8,216.74
  6. Step 6: Final answer
    x = 3,560.28

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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.