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Finding the Fourth Proportional to 7,006.95, 10,509.62 and 2,076.08

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Solution

The fourth proportional to 7,006.95, 10,509.62 and 2,076.08 is: 3,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.95 : 10,509.62 = 2,076.08 : x
  2. Step 2: Convert to fraction form
    7,006.95/10,509.62 = 2,076.08/x
  3. Step 3: Cross multiply
    7,006.95x = 10,509.62 × 2,076.08
  4. Step 4: Simplify right side
    7,006.95x = 21,818,748.96
  5. Step 5: Solve for x
    x = 21,818,748.96/7,006.95
  6. Step 6: Final answer
    x = 3,113.87

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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.