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Finding the Fourth Proportional to 34,980.57, 48,271.78 and 19,064.68

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Solution

The fourth proportional to 34,980.57, 48,271.78 and 19,064.68 is: 26,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.57 : 48,271.78 = 19,064.68 : x
  2. Step 2: Convert to fraction form
    34,980.57/48,271.78 = 19,064.68/x
  3. Step 3: Cross multiply
    34,980.57x = 48,271.78 × 19,064.68
  4. Step 4: Simplify right side
    34,980.57x = 920,285,941.88
  5. Step 5: Solve for x
    x = 920,285,941.88/34,980.57
  6. Step 6: Final answer
    x = 26,308.49

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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.