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Finding the Fourth Proportional to 34,368.84, 51,541.72 and 15,381.59

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Solution

The fourth proportional to 34,368.84, 51,541.72 and 15,381.59 is: 23,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368.84 : 51,541.72 = 15,381.59 : x
  2. Step 2: Convert to fraction form
    34,368.84/51,541.72 = 15,381.59/x
  3. Step 3: Cross multiply
    34,368.84x = 51,541.72 × 15,381.59
  4. Step 4: Simplify right side
    34,368.84x = 792,793,308.77
  5. Step 5: Solve for x
    x = 792,793,308.77/34,368.84
  6. Step 6: Final answer
    x = 23,067.21

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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.