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Finding the Fourth Proportional to 7,006.70, 10,510 and 2,076.36

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Solution

The fourth proportional to 7,006.70, 10,510 and 2,076.36 is: 3,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.70 : 10,510 = 2,076.36 : x
  2. Step 2: Convert to fraction form
    7,006.70/10,510 = 2,076.36/x
  3. Step 3: Cross multiply
    7,006.70x = 10,510 × 2,076.36
  4. Step 4: Simplify right side
    7,006.70x = 21,822,543.60
  5. Step 5: Solve for x
    x = 21,822,543.60/7,006.70
  6. Step 6: Final answer
    x = 3,114.53

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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.