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Finding the Fourth Proportional to 7,210.43, 9,950.88 and 4,024.29

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Solution

The fourth proportional to 7,210.43, 9,950.88 and 4,024.29 is: 5,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.43 : 9,950.88 = 4,024.29 : x
  2. Step 2: Convert to fraction form
    7,210.43/9,950.88 = 4,024.29/x
  3. Step 3: Cross multiply
    7,210.43x = 9,950.88 × 4,024.29
  4. Step 4: Simplify right side
    7,210.43x = 40,045,226.88
  5. Step 5: Solve for x
    x = 40,045,226.88/7,210.43
  6. Step 6: Final answer
    x = 5,553.80

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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.