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Finding the Fourth Proportional to 12,796.60, 19,197.60 and 4,032.40

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Solution

The fourth proportional to 12,796.60, 19,197.60 and 4,032.40 is: 6,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.60 : 19,197.60 = 4,032.40 : x
  2. Step 2: Convert to fraction form
    12,796.60/19,197.60 = 4,032.40/x
  3. Step 3: Cross multiply
    12,796.60x = 19,197.60 × 4,032.40
  4. Step 4: Simplify right side
    12,796.60x = 77,412,402.24
  5. Step 5: Solve for x
    x = 77,412,402.24/12,796.60
  6. Step 6: Final answer
    x = 6,049.45

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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.