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Finding the Fourth Proportional to 3,513.69, 4,848.99 and 1,941.88

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Solution

The fourth proportional to 3,513.69, 4,848.99 and 1,941.88 is: 2,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.69 : 4,848.99 = 1,941.88 : x
  2. Step 2: Convert to fraction form
    3,513.69/4,848.99 = 1,941.88/x
  3. Step 3: Cross multiply
    3,513.69x = 4,848.99 × 1,941.88
  4. Step 4: Simplify right side
    3,513.69x = 9,416,156.70
  5. Step 5: Solve for x
    x = 9,416,156.70/3,513.69
  6. Step 6: Final answer
    x = 2,679.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.