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Finding the Fourth Proportional to 29,523.72, 40,741.28 and 16,775.24

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Solution

The fourth proportional to 29,523.72, 40,741.28 and 16,775.24 is: 23,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,523.72 : 40,741.28 = 16,775.24 : x
  2. Step 2: Convert to fraction form
    29,523.72/40,741.28 = 16,775.24/x
  3. Step 3: Cross multiply
    29,523.72x = 40,741.28 × 16,775.24
  4. Step 4: Simplify right side
    29,523.72x = 683,444,749.91
  5. Step 5: Solve for x
    x = 683,444,749.91/29,523.72
  6. Step 6: Final answer
    x = 23,149.01

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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.