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Finding the Fourth Proportional to 46,590.63, 69,896.87 and 15,425.88

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Solution

The fourth proportional to 46,590.63, 69,896.87 and 15,425.88 is: 23,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,590.63 : 69,896.87 = 15,425.88 : x
  2. Step 2: Convert to fraction form
    46,590.63/69,896.87 = 15,425.88/x
  3. Step 3: Cross multiply
    46,590.63x = 69,896.87 × 15,425.88
  4. Step 4: Simplify right side
    46,590.63x = 1,078,220,729.00
  5. Step 5: Solve for x
    x = 1,078,220,729.00/46,590.63
  6. Step 6: Final answer
    x = 23,142.44

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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.