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Finding the Fourth Proportional to 58,244.24, 87,379.32 and 16,688

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Solution

The fourth proportional to 58,244.24, 87,379.32 and 16,688 is: 25,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,244.24 : 87,379.32 = 16,688 : x
  2. Step 2: Convert to fraction form
    58,244.24/87,379.32 = 16,688/x
  3. Step 3: Cross multiply
    58,244.24x = 87,379.32 × 16,688
  4. Step 4: Simplify right side
    58,244.24x = 1,458,186,092.16
  5. Step 5: Solve for x
    x = 1,458,186,092.16/58,244.24
  6. Step 6: Final answer
    x = 25,035.71

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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.