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Finding the Fourth Proportional to 58,417.50, 87,627.87 and 16,864.50

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Solution

The fourth proportional to 58,417.50, 87,627.87 and 16,864.50 is: 25,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,417.50 : 87,627.87 = 16,864.50 : x
  2. Step 2: Convert to fraction form
    58,417.50/87,627.87 = 16,864.50/x
  3. Step 3: Cross multiply
    58,417.50x = 87,627.87 × 16,864.50
  4. Step 4: Simplify right side
    58,417.50x = 1,477,800,213.62
  5. Step 5: Solve for x
    x = 1,477,800,213.62/58,417.50
  6. Step 6: Final answer
    x = 25,297.22

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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.