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Finding the Fourth Proportional to 7,246.56, 9,995.49 and 5,671.92

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Solution

The fourth proportional to 7,246.56, 9,995.49 and 5,671.92 is: 7,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.56 : 9,995.49 = 5,671.92 : x
  2. Step 2: Convert to fraction form
    7,246.56/9,995.49 = 5,671.92/x
  3. Step 3: Cross multiply
    7,246.56x = 9,995.49 × 5,671.92
  4. Step 4: Simplify right side
    7,246.56x = 56,693,619.64
  5. Step 5: Solve for x
    x = 56,693,619.64/7,246.56
  6. Step 6: Final answer
    x = 7,823.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.