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Finding the Fourth Proportional to 58,467.78, 87,702.48 and 19,025.10

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Solution

The fourth proportional to 58,467.78, 87,702.48 and 19,025.10 is: 28,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,467.78 : 87,702.48 = 19,025.10 : x
  2. Step 2: Convert to fraction form
    58,467.78/87,702.48 = 19,025.10/x
  3. Step 3: Cross multiply
    58,467.78x = 87,702.48 × 19,025.10
  4. Step 4: Simplify right side
    58,467.78x = 1,668,548,452.25
  5. Step 5: Solve for x
    x = 1,668,548,452.25/58,467.78
  6. Step 6: Final answer
    x = 28,537.91

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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.