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Finding the Fourth Proportional to 7,205.56, 10,790.90 and 5,963.82

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Solution

The fourth proportional to 7,205.56, 10,790.90 and 5,963.82 is: 8,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.56 : 10,790.90 = 5,963.82 : x
  2. Step 2: Convert to fraction form
    7,205.56/10,790.90 = 5,963.82/x
  3. Step 3: Cross multiply
    7,205.56x = 10,790.90 × 5,963.82
  4. Step 4: Simplify right side
    7,205.56x = 64,354,985.24
  5. Step 5: Solve for x
    x = 64,354,985.24/7,205.56
  6. Step 6: Final answer
    x = 8,931.30

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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.