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Finding the Fourth Proportional to 8,071.63, 12,107.45 and 2,525.45

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Solution

The fourth proportional to 8,071.63, 12,107.45 and 2,525.45 is: 3,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.63 : 12,107.45 = 2,525.45 : x
  2. Step 2: Convert to fraction form
    8,071.63/12,107.45 = 2,525.45/x
  3. Step 3: Cross multiply
    8,071.63x = 12,107.45 × 2,525.45
  4. Step 4: Simplify right side
    8,071.63x = 30,576,705.38
  5. Step 5: Solve for x
    x = 30,576,705.38/8,071.63
  6. Step 6: Final answer
    x = 3,788.17

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Double scale
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Similar ratio
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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.