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Finding the Fourth Proportional to 5,998.79, 8,281.24 and 4,651.43

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Solution

The fourth proportional to 5,998.79, 8,281.24 and 4,651.43 is: 6,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.79 : 8,281.24 = 4,651.43 : x
  2. Step 2: Convert to fraction form
    5,998.79/8,281.24 = 4,651.43/x
  3. Step 3: Cross multiply
    5,998.79x = 8,281.24 × 4,651.43
  4. Step 4: Simplify right side
    5,998.79x = 38,519,555.14
  5. Step 5: Solve for x
    x = 38,519,555.14/5,998.79
  6. Step 6: Final answer
    x = 6,421.22

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Half scale
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Double scale
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Similar ratio
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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.