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Finding the Fourth Proportional to 12,800.84, 19,203.08 and 4,034.81

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Solution

The fourth proportional to 12,800.84, 19,203.08 and 4,034.81 is: 6,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.84 : 19,203.08 = 4,034.81 : x
  2. Step 2: Convert to fraction form
    12,800.84/19,203.08 = 4,034.81/x
  3. Step 3: Cross multiply
    12,800.84x = 19,203.08 × 4,034.81
  4. Step 4: Simplify right side
    12,800.84x = 77,480,807.05
  5. Step 5: Solve for x
    x = 77,480,807.05/12,800.84
  6. Step 6: Final answer
    x = 6,052.79

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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.