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Finding the Fourth Proportional to 4,856.90, 6,700.11 and 4,193.60

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Solution

The fourth proportional to 4,856.90, 6,700.11 and 4,193.60 is: 5,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.90 : 6,700.11 = 4,193.60 : x
  2. Step 2: Convert to fraction form
    4,856.90/6,700.11 = 4,193.60/x
  3. Step 3: Cross multiply
    4,856.90x = 6,700.11 × 4,193.60
  4. Step 4: Simplify right side
    4,856.90x = 28,097,581.30
  5. Step 5: Solve for x
    x = 28,097,581.30/4,856.90
  6. Step 6: Final answer
    x = 5,785.09

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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.