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Finding the Fourth Proportional to 46,079.43, 69,119.17 and 12,799.49

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Solution

The fourth proportional to 46,079.43, 69,119.17 and 12,799.49 is: 19,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,079.43 : 69,119.17 = 12,799.49 : x
  2. Step 2: Convert to fraction form
    46,079.43/69,119.17 = 12,799.49/x
  3. Step 3: Cross multiply
    46,079.43x = 69,119.17 × 12,799.49
  4. Step 4: Simplify right side
    46,079.43x = 884,689,819.63
  5. Step 5: Solve for x
    x = 884,689,819.63/46,079.43
  6. Step 6: Final answer
    x = 19,199.23

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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.