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Finding the Fourth Proportional to 25,725, 38,587.46 and 16,896.08

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Solution

The fourth proportional to 25,725, 38,587.46 and 16,896.08 is: 25,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725 : 38,587.46 = 16,896.08 : x
  2. Step 2: Convert to fraction form
    25,725/38,587.46 = 16,896.08/x
  3. Step 3: Cross multiply
    25,725x = 38,587.46 × 16,896.08
  4. Step 4: Simplify right side
    25,725x = 651,976,811.16
  5. Step 5: Solve for x
    x = 651,976,811.16/25,725
  6. Step 6: Final answer
    x = 25,344.09

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1.5x scale

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.