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Finding the Fourth Proportional to 7,006.61, 10,510.11 and 3,310.58

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Solution

The fourth proportional to 7,006.61, 10,510.11 and 3,310.58 is: 4,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.61 : 10,510.11 = 3,310.58 : x
  2. Step 2: Convert to fraction form
    7,006.61/10,510.11 = 3,310.58/x
  3. Step 3: Cross multiply
    7,006.61x = 10,510.11 × 3,310.58
  4. Step 4: Simplify right side
    7,006.61x = 34,794,507.41
  5. Step 5: Solve for x
    x = 34,794,507.41/7,006.61
  6. Step 6: Final answer
    x = 4,965.96

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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.