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Finding the Fourth Proportional to 33,610, 46,381.80 and 18,709.52

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Solution

The fourth proportional to 33,610, 46,381.80 and 18,709.52 is: 25,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,610 : 46,381.80 = 18,709.52 : x
  2. Step 2: Convert to fraction form
    33,610/46,381.80 = 18,709.52/x
  3. Step 3: Cross multiply
    33,610x = 46,381.80 × 18,709.52
  4. Step 4: Simplify right side
    33,610x = 867,781,214.74
  5. Step 5: Solve for x
    x = 867,781,214.74/33,610
  6. Step 6: Final answer
    x = 25,819.14

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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.