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Finding the Fourth Proportional to 25,940.34, 35,797.18 and 15,868.04

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Solution

The fourth proportional to 25,940.34, 35,797.18 and 15,868.04 is: 21,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.34 : 35,797.18 = 15,868.04 : x
  2. Step 2: Convert to fraction form
    25,940.34/35,797.18 = 15,868.04/x
  3. Step 3: Cross multiply
    25,940.34x = 35,797.18 × 15,868.04
  4. Step 4: Simplify right side
    25,940.34x = 568,031,084.13
  5. Step 5: Solve for x
    x = 568,031,084.13/25,940.34
  6. Step 6: Final answer
    x = 21,897.60

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1.5x scale

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.