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Finding the Fourth Proportional to 10,900.58, 16,358.13 and 3,975.08

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Solution

The fourth proportional to 10,900.58, 16,358.13 and 3,975.08 is: 5,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.58 : 16,358.13 = 3,975.08 : x
  2. Step 2: Convert to fraction form
    10,900.58/16,358.13 = 3,975.08/x
  3. Step 3: Cross multiply
    10,900.58x = 16,358.13 × 3,975.08
  4. Step 4: Simplify right side
    10,900.58x = 65,024,916.30
  5. Step 5: Solve for x
    x = 65,024,916.30/10,900.58
  6. Step 6: Final answer
    x = 5,965.27

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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.