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Finding the Fourth Proportional to 30,550.58, 45,828.75 and 9,490.85

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Solution

The fourth proportional to 30,550.58, 45,828.75 and 9,490.85 is: 14,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.58 : 45,828.75 = 9,490.85 : x
  2. Step 2: Convert to fraction form
    30,550.58/45,828.75 = 9,490.85/x
  3. Step 3: Cross multiply
    30,550.58x = 45,828.75 × 9,490.85
  4. Step 4: Simplify right side
    30,550.58x = 434,953,791.94
  5. Step 5: Solve for x
    x = 434,953,791.94/30,550.58
  6. Step 6: Final answer
    x = 14,237.17

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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.