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Finding the Fourth Proportional to 34,752.64, 47,958.70 and 18,837.08

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Solution

The fourth proportional to 34,752.64, 47,958.70 and 18,837.08 is: 25,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,752.64 : 47,958.70 = 18,837.08 : x
  2. Step 2: Convert to fraction form
    34,752.64/47,958.70 = 18,837.08/x
  3. Step 3: Cross multiply
    34,752.64x = 47,958.70 × 18,837.08
  4. Step 4: Simplify right side
    34,752.64x = 903,401,868.60
  5. Step 5: Solve for x
    x = 903,401,868.60/34,752.64
  6. Step 6: Final answer
    x = 25,995.20

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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.