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Finding the Fourth Proportional to 10,703.10, 16,054.65 and 2,805.60

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Solution

The fourth proportional to 10,703.10, 16,054.65 and 2,805.60 is: 4,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.10 : 16,054.65 = 2,805.60 : x
  2. Step 2: Convert to fraction form
    10,703.10/16,054.65 = 2,805.60/x
  3. Step 3: Cross multiply
    10,703.10x = 16,054.65 × 2,805.60
  4. Step 4: Simplify right side
    10,703.10x = 45,042,926.04
  5. Step 5: Solve for x
    x = 45,042,926.04/10,703.10
  6. Step 6: Final answer
    x = 4,208.40

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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.