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Finding the Fourth Proportional to 30,392.75, 45,605.49 and 14,810.37

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Solution

The fourth proportional to 30,392.75, 45,605.49 and 14,810.37 is: 22,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.75 : 45,605.49 = 14,810.37 : x
  2. Step 2: Convert to fraction form
    30,392.75/45,605.49 = 14,810.37/x
  3. Step 3: Cross multiply
    30,392.75x = 45,605.49 × 14,810.37
  4. Step 4: Simplify right side
    30,392.75x = 675,434,180.93
  5. Step 5: Solve for x
    x = 675,434,180.93/30,392.75
  6. Step 6: Final answer
    x = 22,223.53

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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.