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Finding the Fourth Proportional to 30,901.27, 42,643.50 and 17,472.52

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Solution

The fourth proportional to 30,901.27, 42,643.50 and 17,472.52 is: 24,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.27 : 42,643.50 = 17,472.52 : x
  2. Step 2: Convert to fraction form
    30,901.27/42,643.50 = 17,472.52/x
  3. Step 3: Cross multiply
    30,901.27x = 42,643.50 × 17,472.52
  4. Step 4: Simplify right side
    30,901.27x = 745,089,406.62
  5. Step 5: Solve for x
    x = 745,089,406.62/30,901.27
  6. Step 6: Final answer
    x = 24,111.93

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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.