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Finding the Fourth Proportional to 9,858.44, 14,785.45 and 2,836.89

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Solution

The fourth proportional to 9,858.44, 14,785.45 and 2,836.89 is: 4,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.44 : 14,785.45 = 2,836.89 : x
  2. Step 2: Convert to fraction form
    9,858.44/14,785.45 = 2,836.89/x
  3. Step 3: Cross multiply
    9,858.44x = 14,785.45 × 2,836.89
  4. Step 4: Simplify right side
    9,858.44x = 41,944,644.10
  5. Step 5: Solve for x
    x = 41,944,644.10/9,858.44
  6. Step 6: Final answer
    x = 4,254.69

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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.