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Finding the Fourth Proportional to 64,302.88, 96,454.32 and 26,842.51

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Solution

The fourth proportional to 64,302.88, 96,454.32 and 26,842.51 is: 40,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302.88 : 96,454.32 = 26,842.51 : x
  2. Step 2: Convert to fraction form
    64,302.88/96,454.32 = 26,842.51/x
  3. Step 3: Cross multiply
    64,302.88x = 96,454.32 × 26,842.51
  4. Step 4: Simplify right side
    64,302.88x = 2,589,076,049.14
  5. Step 5: Solve for x
    x = 2,589,076,049.14/64,302.88
  6. Step 6: Final answer
    x = 40,263.77

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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.