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Finding the Fourth Proportional to 10,703.67, 16,055.51 and 2,913.09

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Solution

The fourth proportional to 10,703.67, 16,055.51 and 2,913.09 is: 4,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.67 : 16,055.51 = 2,913.09 : x
  2. Step 2: Convert to fraction form
    10,703.67/16,055.51 = 2,913.09/x
  3. Step 3: Cross multiply
    10,703.67x = 16,055.51 × 2,913.09
  4. Step 4: Simplify right side
    10,703.67x = 46,771,131.06
  5. Step 5: Solve for x
    x = 46,771,131.06/10,703.67
  6. Step 6: Final answer
    x = 4,369.64

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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.