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Finding the Fourth Proportional to 52,800.99, 79,187.58 and 19,530.59

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Solution

The fourth proportional to 52,800.99, 79,187.58 and 19,530.59 is: 29,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.99 : 79,187.58 = 19,530.59 : x
  2. Step 2: Convert to fraction form
    52,800.99/79,187.58 = 19,530.59/x
  3. Step 3: Cross multiply
    52,800.99x = 79,187.58 × 19,530.59
  4. Step 4: Simplify right side
    52,800.99x = 1,546,579,762.13
  5. Step 5: Solve for x
    x = 1,546,579,762.13/52,800.99
  6. Step 6: Final answer
    x = 29,290.73

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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.