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Finding the Fourth Proportional to 57,859.06, 86,790.03 and 16,304.50

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Solution

The fourth proportional to 57,859.06, 86,790.03 and 16,304.50 is: 24,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,859.06 : 86,790.03 = 16,304.50 : x
  2. Step 2: Convert to fraction form
    57,859.06/86,790.03 = 16,304.50/x
  3. Step 3: Cross multiply
    57,859.06x = 86,790.03 × 16,304.50
  4. Step 4: Simplify right side
    57,859.06x = 1,415,068,044.14
  5. Step 5: Solve for x
    x = 1,415,068,044.14/57,859.06
  6. Step 6: Final answer
    x = 24,457.16

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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.