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Finding the Fourth Proportional to 12,797.63, 19,189.74 and 4,030.19

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Solution

The fourth proportional to 12,797.63, 19,189.74 and 4,030.19 is: 6,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.63 : 19,189.74 = 4,030.19 : x
  2. Step 2: Convert to fraction form
    12,797.63/19,189.74 = 4,030.19/x
  3. Step 3: Cross multiply
    12,797.63x = 19,189.74 × 4,030.19
  4. Step 4: Simplify right side
    12,797.63x = 77,338,202.30
  5. Step 5: Solve for x
    x = 77,338,202.30/12,797.63
  6. Step 6: Final answer
    x = 6,043.17

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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.