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Finding the Fourth Proportional to 28,365.44, 42,550.98 and 10,850

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Solution

The fourth proportional to 28,365.44, 42,550.98 and 10,850 is: 16,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.44 : 42,550.98 = 10,850 : x
  2. Step 2: Convert to fraction form
    28,365.44/42,550.98 = 10,850/x
  3. Step 3: Cross multiply
    28,365.44x = 42,550.98 × 10,850
  4. Step 4: Simplify right side
    28,365.44x = 461,678,133.00
  5. Step 5: Solve for x
    x = 461,678,133.00/28,365.44
  6. Step 6: Final answer
    x = 16,276.08

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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.