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Finding the Fourth Proportional to 4,502.99, 6,214.42 and 2,987.96

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Solution

The fourth proportional to 4,502.99, 6,214.42 and 2,987.96 is: 4,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.99 : 6,214.42 = 2,987.96 : x
  2. Step 2: Convert to fraction form
    4,502.99/6,214.42 = 2,987.96/x
  3. Step 3: Cross multiply
    4,502.99x = 6,214.42 × 2,987.96
  4. Step 4: Simplify right side
    4,502.99x = 18,568,411.05
  5. Step 5: Solve for x
    x = 18,568,411.05/4,502.99
  6. Step 6: Final answer
    x = 4,123.57

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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.