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Finding the Fourth Proportional to 13,432.41, 20,156.72 and 4,673.48

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Solution

The fourth proportional to 13,432.41, 20,156.72 and 4,673.48 is: 7,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.41 : 20,156.72 = 4,673.48 : x
  2. Step 2: Convert to fraction form
    13,432.41/20,156.72 = 4,673.48/x
  3. Step 3: Cross multiply
    13,432.41x = 20,156.72 × 4,673.48
  4. Step 4: Simplify right side
    13,432.41x = 94,201,903.63
  5. Step 5: Solve for x
    x = 94,201,903.63/13,432.41
  6. Step 6: Final answer
    x = 7,013.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.