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Finding the Fourth Proportional to 25,759.84, 35,559 and 21,801.52

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Solution

The fourth proportional to 25,759.84, 35,559 and 21,801.52 is: 30,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.84 : 35,559 = 21,801.52 : x
  2. Step 2: Convert to fraction form
    25,759.84/35,559 = 21,801.52/x
  3. Step 3: Cross multiply
    25,759.84x = 35,559 × 21,801.52
  4. Step 4: Simplify right side
    25,759.84x = 775,240,249.68
  5. Step 5: Solve for x
    x = 775,240,249.68/25,759.84
  6. Step 6: Final answer
    x = 30,094.92

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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.