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Finding the Fourth Proportional to 11,607.58, 16,018.79 and 6,827.87

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Solution

The fourth proportional to 11,607.58, 16,018.79 and 6,827.87 is: 9,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.58 : 16,018.79 = 6,827.87 : x
  2. Step 2: Convert to fraction form
    11,607.58/16,018.79 = 6,827.87/x
  3. Step 3: Cross multiply
    11,607.58x = 16,018.79 × 6,827.87
  4. Step 4: Simplify right side
    11,607.58x = 109,374,181.54
  5. Step 5: Solve for x
    x = 109,374,181.54/11,607.58
  6. Step 6: Final answer
    x = 9,422.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.