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Finding the Fourth Proportional to 10,576.60, 15,866.28 and 3,553.60

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Solution

The fourth proportional to 10,576.60, 15,866.28 and 3,553.60 is: 5,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.60 : 15,866.28 = 3,553.60 : x
  2. Step 2: Convert to fraction form
    10,576.60/15,866.28 = 3,553.60/x
  3. Step 3: Cross multiply
    10,576.60x = 15,866.28 × 3,553.60
  4. Step 4: Simplify right side
    10,576.60x = 56,382,358.07
  5. Step 5: Solve for x
    x = 56,382,358.07/10,576.60
  6. Step 6: Final answer
    x = 5,330.86

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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.