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Finding the Fourth Proportional to 58,258.72, 87,378.36 and 16,696

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Solution

The fourth proportional to 58,258.72, 87,378.36 and 16,696 is: 25,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,258.72 : 87,378.36 = 16,696 : x
  2. Step 2: Convert to fraction form
    58,258.72/87,378.36 = 16,696/x
  3. Step 3: Cross multiply
    58,258.72x = 87,378.36 × 16,696
  4. Step 4: Simplify right side
    58,258.72x = 1,458,869,098.56
  5. Step 5: Solve for x
    x = 1,458,869,098.56/58,258.72
  6. Step 6: Final answer
    x = 25,041.21

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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.