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Finding the Fourth Proportional to 30,620.34, 45,934.83 and 10,893.06

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Solution

The fourth proportional to 30,620.34, 45,934.83 and 10,893.06 is: 16,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.34 : 45,934.83 = 10,893.06 : x
  2. Step 2: Convert to fraction form
    30,620.34/45,934.83 = 10,893.06/x
  3. Step 3: Cross multiply
    30,620.34x = 45,934.83 × 10,893.06
  4. Step 4: Simplify right side
    30,620.34x = 500,370,859.28
  5. Step 5: Solve for x
    x = 500,370,859.28/30,620.34
  6. Step 6: Final answer
    x = 16,341.13

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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.