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Finding the Fourth Proportional to 58,906.40, 88,363.76 and 16,790.56

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Solution

The fourth proportional to 58,906.40, 88,363.76 and 16,790.56 is: 25,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.40 : 88,363.76 = 16,790.56 : x
  2. Step 2: Convert to fraction form
    58,906.40/88,363.76 = 16,790.56/x
  3. Step 3: Cross multiply
    58,906.40x = 88,363.76 × 16,790.56
  4. Step 4: Simplify right side
    58,906.40x = 1,483,677,014.11
  5. Step 5: Solve for x
    x = 1,483,677,014.11/58,906.40
  6. Step 6: Final answer
    x = 25,187.03

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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.