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Finding the Fourth Proportional to 43,104.92, 64,650.02 and 11,932.88

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Solution

The fourth proportional to 43,104.92, 64,650.02 and 11,932.88 is: 17,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104.92 : 64,650.02 = 11,932.88 : x
  2. Step 2: Convert to fraction form
    43,104.92/64,650.02 = 11,932.88/x
  3. Step 3: Cross multiply
    43,104.92x = 64,650.02 × 11,932.88
  4. Step 4: Simplify right side
    43,104.92x = 771,460,547.74
  5. Step 5: Solve for x
    x = 771,460,547.74/43,104.92
  6. Step 6: Final answer
    x = 17,897.28

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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.