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Finding the Fourth Proportional to 30,470.99, 42,051.96 and 17,044.56

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Solution

The fourth proportional to 30,470.99, 42,051.96 and 17,044.56 is: 23,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.99 : 42,051.96 = 17,044.56 : x
  2. Step 2: Convert to fraction form
    30,470.99/42,051.96 = 17,044.56/x
  3. Step 3: Cross multiply
    30,470.99x = 42,051.96 × 17,044.56
  4. Step 4: Simplify right side
    30,470.99x = 716,757,155.34
  5. Step 5: Solve for x
    x = 716,757,155.34/30,470.99
  6. Step 6: Final answer
    x = 23,522.61

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