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Finding the Fourth Proportional to 7,010.00, 10,509.30 and 2,851.95

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Solution

The fourth proportional to 7,010.00, 10,509.30 and 2,851.95 is: 4,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.00 : 10,509.30 = 2,851.95 : x
  2. Step 2: Convert to fraction form
    7,010.00/10,509.30 = 2,851.95/x
  3. Step 3: Cross multiply
    7,010.00x = 10,509.30 × 2,851.95
  4. Step 4: Simplify right side
    7,010.00x = 29,971,998.14
  5. Step 5: Solve for x
    x = 29,971,998.14/7,010.00
  6. Step 6: Final answer
    x = 4,275.61

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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.