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Finding the Fourth Proportional to 58,409.36, 87,627.06 and 16,856.36

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Solution

The fourth proportional to 58,409.36, 87,627.06 and 16,856.36 is: 25,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,409.36 : 87,627.06 = 16,856.36 : x
  2. Step 2: Convert to fraction form
    58,409.36/87,627.06 = 16,856.36/x
  3. Step 3: Cross multiply
    58,409.36x = 87,627.06 × 16,856.36
  4. Step 4: Simplify right side
    58,409.36x = 1,477,073,269.10
  5. Step 5: Solve for x
    x = 1,477,073,269.10/58,409.36
  6. Step 6: Final answer
    x = 25,288.30

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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.