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Finding the Fourth Proportional to 5,900.78, 8,850.86 and 2,202.72

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Solution

The fourth proportional to 5,900.78, 8,850.86 and 2,202.72 is: 3,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.78 : 8,850.86 = 2,202.72 : x
  2. Step 2: Convert to fraction form
    5,900.78/8,850.86 = 2,202.72/x
  3. Step 3: Cross multiply
    5,900.78x = 8,850.86 × 2,202.72
  4. Step 4: Simplify right side
    5,900.78x = 19,495,966.34
  5. Step 5: Solve for x
    x = 19,495,966.34/5,900.78
  6. Step 6: Final answer
    x = 3,303.96

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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.