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Finding the Fourth Proportional to 58,911.30, 88,369.74 and 19,467.54

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Solution

The fourth proportional to 58,911.30, 88,369.74 and 19,467.54 is: 29,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,911.30 : 88,369.74 = 19,467.54 : x
  2. Step 2: Convert to fraction form
    58,911.30/88,369.74 = 19,467.54/x
  3. Step 3: Cross multiply
    58,911.30x = 88,369.74 × 19,467.54
  4. Step 4: Simplify right side
    58,911.30x = 1,720,341,448.24
  5. Step 5: Solve for x
    x = 1,720,341,448.24/58,911.30
  6. Step 6: Final answer
    x = 29,202.23

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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.