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Finding the Fourth Proportional to 11,465.35, 17,157.02 and 8,983.10

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Solution

The fourth proportional to 11,465.35, 17,157.02 and 8,983.10 is: 13,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.35 : 17,157.02 = 8,983.10 : x
  2. Step 2: Convert to fraction form
    11,465.35/17,157.02 = 8,983.10/x
  3. Step 3: Cross multiply
    11,465.35x = 17,157.02 × 8,983.10
  4. Step 4: Simplify right side
    11,465.35x = 154,123,224.34
  5. Step 5: Solve for x
    x = 154,123,224.34/11,465.35
  6. Step 6: Final answer
    x = 13,442.53

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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.