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Finding the Fourth Proportional to 3,323.70, 4,981.70 and 2,385.59

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Solution

The fourth proportional to 3,323.70, 4,981.70 and 2,385.59 is: 3,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.70 : 4,981.70 = 2,385.59 : x
  2. Step 2: Convert to fraction form
    3,323.70/4,981.70 = 2,385.59/x
  3. Step 3: Cross multiply
    3,323.70x = 4,981.70 × 2,385.59
  4. Step 4: Simplify right side
    3,323.70x = 11,884,274.76
  5. Step 5: Solve for x
    x = 11,884,274.76/3,323.70
  6. Step 6: Final answer
    x = 3,575.62

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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.