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Finding the Fourth Proportional to 53,833.77, 80,783.06 and 18,798.03

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Solution

The fourth proportional to 53,833.77, 80,783.06 and 18,798.03 is: 28,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,833.77 : 80,783.06 = 18,798.03 : x
  2. Step 2: Convert to fraction form
    53,833.77/80,783.06 = 18,798.03/x
  3. Step 3: Cross multiply
    53,833.77x = 80,783.06 × 18,798.03
  4. Step 4: Simplify right side
    53,833.77x = 1,518,562,291.38
  5. Step 5: Solve for x
    x = 1,518,562,291.38/53,833.77
  6. Step 6: Final answer
    x = 28,208.36

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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.