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Finding the Fourth Proportional to 30,738.85, 46,108.28 and 30,738.85

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Solution

The fourth proportional to 30,738.85, 46,108.28 and 30,738.85 is: 46,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,738.85 : 46,108.28 = 30,738.85 : x
  2. Step 2: Convert to fraction form
    30,738.85/46,108.28 = 30,738.85/x
  3. Step 3: Cross multiply
    30,738.85x = 46,108.28 × 30,738.85
  4. Step 4: Simplify right side
    30,738.85x = 1,417,315,348.98
  5. Step 5: Solve for x
    x = 1,417,315,348.98/30,738.85
  6. Step 6: Final answer
    x = 46,108.28

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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.