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Finding the Fourth Proportional to 30,751.52, 46,141.86 and 18,296.15

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Solution

The fourth proportional to 30,751.52, 46,141.86 and 18,296.15 is: 27,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.52 : 46,141.86 = 18,296.15 : x
  2. Step 2: Convert to fraction form
    30,751.52/46,141.86 = 18,296.15/x
  3. Step 3: Cross multiply
    30,751.52x = 46,141.86 × 18,296.15
  4. Step 4: Simplify right side
    30,751.52x = 844,218,391.84
  5. Step 5: Solve for x
    x = 844,218,391.84/30,751.52
  6. Step 6: Final answer
    x = 27,452.90

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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.