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Finding the Fourth Proportional to 25,706.49, 35,479.07 and 15,094.08

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Solution

The fourth proportional to 25,706.49, 35,479.07 and 15,094.08 is: 20,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706.49 : 35,479.07 = 15,094.08 : x
  2. Step 2: Convert to fraction form
    25,706.49/35,479.07 = 15,094.08/x
  3. Step 3: Cross multiply
    25,706.49x = 35,479.07 × 15,094.08
  4. Step 4: Simplify right side
    25,706.49x = 535,523,845.44
  5. Step 5: Solve for x
    x = 535,523,845.44/25,706.49
  6. Step 6: Final answer
    x = 20,832.24

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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.