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Finding the Fourth Proportional to 44,038, 66,041.06 and 18,739.20

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Solution

The fourth proportional to 44,038, 66,041.06 and 18,739.20 is: 28,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,038 : 66,041.06 = 18,739.20 : x
  2. Step 2: Convert to fraction form
    44,038/66,041.06 = 18,739.20/x
  3. Step 3: Cross multiply
    44,038x = 66,041.06 × 18,739.20
  4. Step 4: Simplify right side
    44,038x = 1,237,556,631.55
  5. Step 5: Solve for x
    x = 1,237,556,631.55/44,038
  6. Step 6: Final answer
    x = 28,102.02

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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.