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Finding the Fourth Proportional to 5,666.28, 8,502.74 and 2,379.12

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Solution

The fourth proportional to 5,666.28, 8,502.74 and 2,379.12 is: 3,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.28 : 8,502.74 = 2,379.12 : x
  2. Step 2: Convert to fraction form
    5,666.28/8,502.74 = 2,379.12/x
  3. Step 3: Cross multiply
    5,666.28x = 8,502.74 × 2,379.12
  4. Step 4: Simplify right side
    5,666.28x = 20,229,038.79
  5. Step 5: Solve for x
    x = 20,229,038.79/5,666.28
  6. Step 6: Final answer
    x = 3,570.07

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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.