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Finding the Fourth Proportional to 4,794.42, 7,186.77 and 1,868.70

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Solution

The fourth proportional to 4,794.42, 7,186.77 and 1,868.70 is: 2,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.42 : 7,186.77 = 1,868.70 : x
  2. Step 2: Convert to fraction form
    4,794.42/7,186.77 = 1,868.70/x
  3. Step 3: Cross multiply
    4,794.42x = 7,186.77 × 1,868.70
  4. Step 4: Simplify right side
    4,794.42x = 13,429,917.10
  5. Step 5: Solve for x
    x = 13,429,917.10/4,794.42
  6. Step 6: Final answer
    x = 2,801.16

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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.