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Finding the Fourth Proportional to 9,671.82, 14,507.86 and 2,746.32

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Solution

The fourth proportional to 9,671.82, 14,507.86 and 2,746.32 is: 4,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.82 : 14,507.86 = 2,746.32 : x
  2. Step 2: Convert to fraction form
    9,671.82/14,507.86 = 2,746.32/x
  3. Step 3: Cross multiply
    9,671.82x = 14,507.86 × 2,746.32
  4. Step 4: Simplify right side
    9,671.82x = 39,843,226.08
  5. Step 5: Solve for x
    x = 39,843,226.08/9,671.82
  6. Step 6: Final answer
    x = 4,119.52

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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.