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Finding the Fourth Proportional to 7,000.76, 10,504.79 and 3,104.25

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Solution

The fourth proportional to 7,000.76, 10,504.79 and 3,104.25 is: 4,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.76 : 10,504.79 = 3,104.25 : x
  2. Step 2: Convert to fraction form
    7,000.76/10,504.79 = 3,104.25/x
  3. Step 3: Cross multiply
    7,000.76x = 10,504.79 × 3,104.25
  4. Step 4: Simplify right side
    7,000.76x = 32,609,478.84
  5. Step 5: Solve for x
    x = 32,609,478.84/7,000.76
  6. Step 6: Final answer
    x = 4,657.99

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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.