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Finding the Fourth Proportional to 55,481.88, 83,210.40 and 16,030.20

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Solution

The fourth proportional to 55,481.88, 83,210.40 and 16,030.20 is: 24,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.88 : 83,210.40 = 16,030.20 : x
  2. Step 2: Convert to fraction form
    55,481.88/83,210.40 = 16,030.20/x
  3. Step 3: Cross multiply
    55,481.88x = 83,210.40 × 16,030.20
  4. Step 4: Simplify right side
    55,481.88x = 1,333,879,354.08
  5. Step 5: Solve for x
    x = 1,333,879,354.08/55,481.88
  6. Step 6: Final answer
    x = 24,041.71

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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.