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Finding the Fourth Proportional to 8,554.68, 12,832.83 and 2,712.15

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Solution

The fourth proportional to 8,554.68, 12,832.83 and 2,712.15 is: 4,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.68 : 12,832.83 = 2,712.15 : x
  2. Step 2: Convert to fraction form
    8,554.68/12,832.83 = 2,712.15/x
  3. Step 3: Cross multiply
    8,554.68x = 12,832.83 × 2,712.15
  4. Step 4: Simplify right side
    8,554.68x = 34,804,559.88
  5. Step 5: Solve for x
    x = 34,804,559.88/8,554.68
  6. Step 6: Final answer
    x = 4,068.48

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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.