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Finding the Fourth Proportional to 8,852.25, 12,216 and 4,873.28

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Solution

The fourth proportional to 8,852.25, 12,216 and 4,873.28 is: 6,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.25 : 12,216 = 4,873.28 : x
  2. Step 2: Convert to fraction form
    8,852.25/12,216 = 4,873.28/x
  3. Step 3: Cross multiply
    8,852.25x = 12,216 × 4,873.28
  4. Step 4: Simplify right side
    8,852.25x = 59,531,927.40
  5. Step 5: Solve for x
    x = 59,531,927.40/8,852.25
  6. Step 6: Final answer
    x = 6,725.06

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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.