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Finding the Fourth Proportional to 30,392.76, 45,588.84 and 9,616.26

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Solution

The fourth proportional to 30,392.76, 45,588.84 and 9,616.26 is: 14,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.76 : 45,588.84 = 9,616.26 : x
  2. Step 2: Convert to fraction form
    30,392.76/45,588.84 = 9,616.26/x
  3. Step 3: Cross multiply
    30,392.76x = 45,588.84 × 9,616.26
  4. Step 4: Simplify right side
    30,392.76x = 438,394,138.54
  5. Step 5: Solve for x
    x = 438,394,138.54/30,392.76
  6. Step 6: Final answer
    x = 14,424.30

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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.