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Finding the Fourth Proportional to 52,774.53, 79,159.69 and 21,198.84

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Solution

The fourth proportional to 52,774.53, 79,159.69 and 21,198.84 is: 31,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,774.53 : 79,159.69 = 21,198.84 : x
  2. Step 2: Convert to fraction form
    52,774.53/79,159.69 = 21,198.84/x
  3. Step 3: Cross multiply
    52,774.53x = 79,159.69 × 21,198.84
  4. Step 4: Simplify right side
    52,774.53x = 1,678,093,602.76
  5. Step 5: Solve for x
    x = 1,678,093,602.76/52,774.53
  6. Step 6: Final answer
    x = 31,797.41

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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.