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Finding the Fourth Proportional to 25,068.78, 34,594.04 and 13,737.99

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Solution

The fourth proportional to 25,068.78, 34,594.04 and 13,737.99 is: 18,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,068.78 : 34,594.04 = 13,737.99 : x
  2. Step 2: Convert to fraction form
    25,068.78/34,594.04 = 13,737.99/x
  3. Step 3: Cross multiply
    25,068.78x = 34,594.04 × 13,737.99
  4. Step 4: Simplify right side
    25,068.78x = 475,252,506.89
  5. Step 5: Solve for x
    x = 475,252,506.89/25,068.78
  6. Step 6: Final answer
    x = 18,957.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.