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Finding the Fourth Proportional to 9,245.16, 13,870.17 and 2,671.92

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Solution

The fourth proportional to 9,245.16, 13,870.17 and 2,671.92 is: 4,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.16 : 13,870.17 = 2,671.92 : x
  2. Step 2: Convert to fraction form
    9,245.16/13,870.17 = 2,671.92/x
  3. Step 3: Cross multiply
    9,245.16x = 13,870.17 × 2,671.92
  4. Step 4: Simplify right side
    9,245.16x = 37,059,984.63
  5. Step 5: Solve for x
    x = 37,059,984.63/9,245.16
  6. Step 6: Final answer
    x = 4,008.58

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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.