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Finding the Fourth Proportional to 7,043.34, 10,561.34 and 3,755.54

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Solution

The fourth proportional to 7,043.34, 10,561.34 and 3,755.54 is: 5,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.34 : 10,561.34 = 3,755.54 : x
  2. Step 2: Convert to fraction form
    7,043.34/10,561.34 = 3,755.54/x
  3. Step 3: Cross multiply
    7,043.34x = 10,561.34 × 3,755.54
  4. Step 4: Simplify right side
    7,043.34x = 39,663,534.82
  5. Step 5: Solve for x
    x = 39,663,534.82/7,043.34
  6. Step 6: Final answer
    x = 5,631.35

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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.