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Finding the Fourth Proportional to 12,797.52, 19,195.74 and 4,038.72

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Solution

The fourth proportional to 12,797.52, 19,195.74 and 4,038.72 is: 6,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.52 : 19,195.74 = 4,038.72 : x
  2. Step 2: Convert to fraction form
    12,797.52/19,195.74 = 4,038.72/x
  3. Step 3: Cross multiply
    12,797.52x = 19,195.74 × 4,038.72
  4. Step 4: Simplify right side
    12,797.52x = 77,526,219.05
  5. Step 5: Solve for x
    x = 77,526,219.05/12,797.52
  6. Step 6: Final answer
    x = 6,057.91

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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.