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Finding the Fourth Proportional to 25,648.53, 35,367.07 and 16,679.40

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Solution

The fourth proportional to 25,648.53, 35,367.07 and 16,679.40 is: 22,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.53 : 35,367.07 = 16,679.40 : x
  2. Step 2: Convert to fraction form
    25,648.53/35,367.07 = 16,679.40/x
  3. Step 3: Cross multiply
    25,648.53x = 35,367.07 × 16,679.40
  4. Step 4: Simplify right side
    25,648.53x = 589,901,507.36
  5. Step 5: Solve for x
    x = 589,901,507.36/25,648.53
  6. Step 6: Final answer
    x = 22,999.43

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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.