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Finding the Fourth Proportional to 12,799.59, 19,201.23 and 4,035.21

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Solution

The fourth proportional to 12,799.59, 19,201.23 and 4,035.21 is: 6,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.59 : 19,201.23 = 4,035.21 : x
  2. Step 2: Convert to fraction form
    12,799.59/19,201.23 = 4,035.21/x
  3. Step 3: Cross multiply
    12,799.59x = 19,201.23 × 4,035.21
  4. Step 4: Simplify right side
    12,799.59x = 77,480,995.31
  5. Step 5: Solve for x
    x = 77,480,995.31/12,799.59
  6. Step 6: Final answer
    x = 6,053.40

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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.