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Finding the Fourth Proportional to 35,572.50, 49,094.37 and 20,668.50

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Solution

The fourth proportional to 35,572.50, 49,094.37 and 20,668.50 is: 28,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,572.50 : 49,094.37 = 20,668.50 : x
  2. Step 2: Convert to fraction form
    35,572.50/49,094.37 = 20,668.50/x
  3. Step 3: Cross multiply
    35,572.50x = 49,094.37 × 20,668.50
  4. Step 4: Simplify right side
    35,572.50x = 1,014,706,986.35
  5. Step 5: Solve for x
    x = 1,014,706,986.35/35,572.50
  6. Step 6: Final answer
    x = 28,525.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.