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Finding the Fourth Proportional to 7,012.60, 9,671.91 and 4,494.94

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Solution

The fourth proportional to 7,012.60, 9,671.91 and 4,494.94 is: 6,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.60 : 9,671.91 = 4,494.94 : x
  2. Step 2: Convert to fraction form
    7,012.60/9,671.91 = 4,494.94/x
  3. Step 3: Cross multiply
    7,012.60x = 9,671.91 × 4,494.94
  4. Step 4: Simplify right side
    7,012.60x = 43,474,655.14
  5. Step 5: Solve for x
    x = 43,474,655.14/7,012.60
  6. Step 6: Final answer
    x = 6,199.51

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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.