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Finding the Fourth Proportional to 23,510.88, 32,439.24 and 13,436.28

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Solution

The fourth proportional to 23,510.88, 32,439.24 and 13,436.28 is: 18,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,510.88 : 32,439.24 = 13,436.28 : x
  2. Step 2: Convert to fraction form
    23,510.88/32,439.24 = 13,436.28/x
  3. Step 3: Cross multiply
    23,510.88x = 32,439.24 × 13,436.28
  4. Step 4: Simplify right side
    23,510.88x = 435,862,711.63
  5. Step 5: Solve for x
    x = 435,862,711.63/23,510.88
  6. Step 6: Final answer
    x = 18,538.77

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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.