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Finding the Fourth Proportional to 20,035.84, 30,058.08 and 8,351.68

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Solution

The fourth proportional to 20,035.84, 30,058.08 and 8,351.68 is: 12,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.84 : 30,058.08 = 8,351.68 : x
  2. Step 2: Convert to fraction form
    20,035.84/30,058.08 = 8,351.68/x
  3. Step 3: Cross multiply
    20,035.84x = 30,058.08 × 8,351.68
  4. Step 4: Simplify right side
    20,035.84x = 251,035,465.57
  5. Step 5: Solve for x
    x = 251,035,465.57/20,035.84
  6. Step 6: Final answer
    x = 12,529.32

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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.