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Finding the Fourth Proportional to 4,561.70, 6,826.95 and 2,894.99

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Solution

The fourth proportional to 4,561.70, 6,826.95 and 2,894.99 is: 4,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.70 : 6,826.95 = 2,894.99 : x
  2. Step 2: Convert to fraction form
    4,561.70/6,826.95 = 2,894.99/x
  3. Step 3: Cross multiply
    4,561.70x = 6,826.95 × 2,894.99
  4. Step 4: Simplify right side
    4,561.70x = 19,763,917.85
  5. Step 5: Solve for x
    x = 19,763,917.85/4,561.70
  6. Step 6: Final answer
    x = 4,332.58

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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.