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Finding the Fourth Proportional to 8,233.76, 12,352.32 and 2,390.24

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Solution

The fourth proportional to 8,233.76, 12,352.32 and 2,390.24 is: 3,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233.76 : 12,352.32 = 2,390.24 : x
  2. Step 2: Convert to fraction form
    8,233.76/12,352.32 = 2,390.24/x
  3. Step 3: Cross multiply
    8,233.76x = 12,352.32 × 2,390.24
  4. Step 4: Simplify right side
    8,233.76x = 29,525,009.36
  5. Step 5: Solve for x
    x = 29,525,009.36/8,233.76
  6. Step 6: Final answer
    x = 3,585.85

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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.