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Finding the Fourth Proportional to 2,047.32, 3,071.10 and 892.68

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Solution

The fourth proportional to 2,047.32, 3,071.10 and 892.68 is: 1,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.32 : 3,071.10 = 892.68 : x
  2. Step 2: Convert to fraction form
    2,047.32/3,071.10 = 892.68/x
  3. Step 3: Cross multiply
    2,047.32x = 3,071.10 × 892.68
  4. Step 4: Simplify right side
    2,047.32x = 2,741,509.55
  5. Step 5: Solve for x
    x = 2,741,509.55/2,047.32
  6. Step 6: Final answer
    x = 1,339.07

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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.