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Finding the Fourth Proportional to 58,580.24, 87,879.16 and 17,021.84

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Solution

The fourth proportional to 58,580.24, 87,879.16 and 17,021.84 is: 25,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.24 : 87,879.16 = 17,021.84 : x
  2. Step 2: Convert to fraction form
    58,580.24/87,879.16 = 17,021.84/x
  3. Step 3: Cross multiply
    58,580.24x = 87,879.16 × 17,021.84
  4. Step 4: Simplify right side
    58,580.24x = 1,495,865,000.85
  5. Step 5: Solve for x
    x = 1,495,865,000.85/58,580.24
  6. Step 6: Final answer
    x = 25,535.32

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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.