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Finding the Fourth Proportional to 30,755.90, 46,117.45 and 15,928.04

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Solution

The fourth proportional to 30,755.90, 46,117.45 and 15,928.04 is: 23,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.90 : 46,117.45 = 15,928.04 : x
  2. Step 2: Convert to fraction form
    30,755.90/46,117.45 = 15,928.04/x
  3. Step 3: Cross multiply
    30,755.90x = 46,117.45 × 15,928.04
  4. Step 4: Simplify right side
    30,755.90x = 734,560,723.50
  5. Step 5: Solve for x
    x = 734,560,723.50/30,755.90
  6. Step 6: Final answer
    x = 23,883.57

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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.