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Finding the Fourth Proportional to 28,063.92, 42,073.83 and 14,734.51

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Solution

The fourth proportional to 28,063.92, 42,073.83 and 14,734.51 is: 22,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.92 : 42,073.83 = 14,734.51 : x
  2. Step 2: Convert to fraction form
    28,063.92/42,073.83 = 14,734.51/x
  3. Step 3: Cross multiply
    28,063.92x = 42,073.83 × 14,734.51
  4. Step 4: Simplify right side
    28,063.92x = 619,937,163.69
  5. Step 5: Solve for x
    x = 619,937,163.69/28,063.92
  6. Step 6: Final answer
    x = 22,090.19

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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.