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Finding the Fourth Proportional to 52,759.63, 79,139.44 and 15,823.63

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Solution

The fourth proportional to 52,759.63, 79,139.44 and 15,823.63 is: 23,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.63 : 79,139.44 = 15,823.63 : x
  2. Step 2: Convert to fraction form
    52,759.63/79,139.44 = 15,823.63/x
  3. Step 3: Cross multiply
    52,759.63x = 79,139.44 × 15,823.63
  4. Step 4: Simplify right side
    52,759.63x = 1,252,272,821.27
  5. Step 5: Solve for x
    x = 1,252,272,821.27/52,759.63
  6. Step 6: Final answer
    x = 23,735.44

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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.