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Finding the Fourth Proportional to 34,980.40, 48,274.01 and 19,065.88

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Solution

The fourth proportional to 34,980.40, 48,274.01 and 19,065.88 is: 26,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.40 : 48,274.01 = 19,065.88 : x
  2. Step 2: Convert to fraction form
    34,980.40/48,274.01 = 19,065.88/x
  3. Step 3: Cross multiply
    34,980.40x = 48,274.01 × 19,065.88
  4. Step 4: Simplify right side
    34,980.40x = 920,386,481.78
  5. Step 5: Solve for x
    x = 920,386,481.78/34,980.40
  6. Step 6: Final answer
    x = 26,311.49

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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.