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Finding the Fourth Proportional to 5,352.67, 7,389.21 and 4,026.88

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Solution

The fourth proportional to 5,352.67, 7,389.21 and 4,026.88 is: 5,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.67 : 7,389.21 = 4,026.88 : x
  2. Step 2: Convert to fraction form
    5,352.67/7,389.21 = 4,026.88/x
  3. Step 3: Cross multiply
    5,352.67x = 7,389.21 × 4,026.88
  4. Step 4: Simplify right side
    5,352.67x = 29,755,461.96
  5. Step 5: Solve for x
    x = 29,755,461.96/5,352.67
  6. Step 6: Final answer
    x = 5,558.99

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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.