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Finding the Fourth Proportional to 47,556, 65,616.02 and 28,165.14

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Solution

The fourth proportional to 47,556, 65,616.02 and 28,165.14 is: 38,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,556 : 65,616.02 = 28,165.14 : x
  2. Step 2: Convert to fraction form
    47,556/65,616.02 = 28,165.14/x
  3. Step 3: Cross multiply
    47,556x = 65,616.02 × 28,165.14
  4. Step 4: Simplify right side
    47,556x = 1,848,084,389.54
  5. Step 5: Solve for x
    x = 1,848,084,389.54/47,556
  6. Step 6: Final answer
    x = 38,861.22

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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.