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Finding the Fourth Proportional to 32,893.50, 45,400.52 and 19,472.61

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Solution

The fourth proportional to 32,893.50, 45,400.52 and 19,472.61 is: 26,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.50 : 45,400.52 = 19,472.61 : x
  2. Step 2: Convert to fraction form
    32,893.50/45,400.52 = 19,472.61/x
  3. Step 3: Cross multiply
    32,893.50x = 45,400.52 × 19,472.61
  4. Step 4: Simplify right side
    32,893.50x = 884,066,619.76
  5. Step 5: Solve for x
    x = 884,066,619.76/32,893.50
  6. Step 6: Final answer
    x = 26,876.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.