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Finding the Fourth Proportional to 32,715.38, 45,147.22 and 17,811.38

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Solution

The fourth proportional to 32,715.38, 45,147.22 and 17,811.38 is: 24,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.38 : 45,147.22 = 17,811.38 : x
  2. Step 2: Convert to fraction form
    32,715.38/45,147.22 = 17,811.38/x
  3. Step 3: Cross multiply
    32,715.38x = 45,147.22 × 17,811.38
  4. Step 4: Simplify right side
    32,715.38x = 804,134,291.36
  5. Step 5: Solve for x
    x = 804,134,291.36/32,715.38
  6. Step 6: Final answer
    x = 24,579.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.