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Finding the Fourth Proportional to 8,547.14, 12,822.60 and 2,703.80

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Solution

The fourth proportional to 8,547.14, 12,822.60 and 2,703.80 is: 4,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.14 : 12,822.60 = 2,703.80 : x
  2. Step 2: Convert to fraction form
    8,547.14/12,822.60 = 2,703.80/x
  3. Step 3: Cross multiply
    8,547.14x = 12,822.60 × 2,703.80
  4. Step 4: Simplify right side
    8,547.14x = 34,669,745.88
  5. Step 5: Solve for x
    x = 34,669,745.88/8,547.14
  6. Step 6: Final answer
    x = 4,056.30

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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.