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Finding the Fourth Proportional to 15,381, 23,072.04 and 8,804.16

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Solution

The fourth proportional to 15,381, 23,072.04 and 8,804.16 is: 13,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381 : 23,072.04 = 8,804.16 : x
  2. Step 2: Convert to fraction form
    15,381/23,072.04 = 8,804.16/x
  3. Step 3: Cross multiply
    15,381x = 23,072.04 × 8,804.16
  4. Step 4: Simplify right side
    15,381x = 203,129,931.69
  5. Step 5: Solve for x
    x = 203,129,931.69/15,381
  6. Step 6: Final answer
    x = 13,206.55

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Why These Related Problems?

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