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Finding the Fourth Proportional to 30,600.94, 45,894.93 and 9,819.58

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Solution

The fourth proportional to 30,600.94, 45,894.93 and 9,819.58 is: 14,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.94 : 45,894.93 = 9,819.58 : x
  2. Step 2: Convert to fraction form
    30,600.94/45,894.93 = 9,819.58/x
  3. Step 3: Cross multiply
    30,600.94x = 45,894.93 × 9,819.58
  4. Step 4: Simplify right side
    30,600.94x = 450,668,936.73
  5. Step 5: Solve for x
    x = 450,668,936.73/30,600.94
  6. Step 6: Final answer
    x = 14,727.29

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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.