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Finding the Fourth Proportional to 30,694.20, 46,019.70 and 14,062.20

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Solution

The fourth proportional to 30,694.20, 46,019.70 and 14,062.20 is: 21,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.20 : 46,019.70 = 14,062.20 : x
  2. Step 2: Convert to fraction form
    30,694.20/46,019.70 = 14,062.20/x
  3. Step 3: Cross multiply
    30,694.20x = 46,019.70 × 14,062.20
  4. Step 4: Simplify right side
    30,694.20x = 647,138,225.34
  5. Step 5: Solve for x
    x = 647,138,225.34/30,694.20
  6. Step 6: Final answer
    x = 21,083.40

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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.