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Finding the Fourth Proportional to 5,900.78, 8,851.08 and 2,007.92

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Solution

The fourth proportional to 5,900.78, 8,851.08 and 2,007.92 is: 3,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.78 : 8,851.08 = 2,007.92 : x
  2. Step 2: Convert to fraction form
    5,900.78/8,851.08 = 2,007.92/x
  3. Step 3: Cross multiply
    5,900.78x = 8,851.08 × 2,007.92
  4. Step 4: Simplify right side
    5,900.78x = 17,772,260.55
  5. Step 5: Solve for x
    x = 17,772,260.55/5,900.78
  6. Step 6: Final answer
    x = 3,011.85

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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.