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Finding the Fourth Proportional to 7,486.62, 11,230.95 and 2,554.93

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Solution

The fourth proportional to 7,486.62, 11,230.95 and 2,554.93 is: 3,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.62 : 11,230.95 = 2,554.93 : x
  2. Step 2: Convert to fraction form
    7,486.62/11,230.95 = 2,554.93/x
  3. Step 3: Cross multiply
    7,486.62x = 11,230.95 × 2,554.93
  4. Step 4: Simplify right side
    7,486.62x = 28,694,291.08
  5. Step 5: Solve for x
    x = 28,694,291.08/7,486.62
  6. Step 6: Final answer
    x = 3,832.74

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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.