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Finding the Fourth Proportional to 7,000.94, 10,501.38 and 2,070.61

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Solution

The fourth proportional to 7,000.94, 10,501.38 and 2,070.61 is: 3,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.94 : 10,501.38 = 2,070.61 : x
  2. Step 2: Convert to fraction form
    7,000.94/10,501.38 = 2,070.61/x
  3. Step 3: Cross multiply
    7,000.94x = 10,501.38 × 2,070.61
  4. Step 4: Simplify right side
    7,000.94x = 21,744,236.19
  5. Step 5: Solve for x
    x = 21,744,236.19/7,000.94
  6. Step 6: Final answer
    x = 3,105.90

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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.