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Finding the Fourth Proportional to 12,264.58, 18,396.87 and 7,335.64

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Solution

The fourth proportional to 12,264.58, 18,396.87 and 7,335.64 is: 11,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.58 : 18,396.87 = 7,335.64 : x
  2. Step 2: Convert to fraction form
    12,264.58/18,396.87 = 7,335.64/x
  3. Step 3: Cross multiply
    12,264.58x = 18,396.87 × 7,335.64
  4. Step 4: Simplify right side
    12,264.58x = 134,952,815.45
  5. Step 5: Solve for x
    x = 134,952,815.45/12,264.58
  6. Step 6: Final answer
    x = 11,003.46

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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.