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Finding the Fourth Proportional to 7,810.88, 10,773.41 and 4,975.29

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Solution

The fourth proportional to 7,810.88, 10,773.41 and 4,975.29 is: 6,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.88 : 10,773.41 = 4,975.29 : x
  2. Step 2: Convert to fraction form
    7,810.88/10,773.41 = 4,975.29/x
  3. Step 3: Cross multiply
    7,810.88x = 10,773.41 × 4,975.29
  4. Step 4: Simplify right side
    7,810.88x = 53,600,814.16
  5. Step 5: Solve for x
    x = 53,600,814.16/7,810.88
  6. Step 6: Final answer
    x = 6,862.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.