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Finding the Fourth Proportional to 36,402.28, 54,531.02 and 28,053.24

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Solution

The fourth proportional to 36,402.28, 54,531.02 and 28,053.24 is: 42,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.28 : 54,531.02 = 28,053.24 : x
  2. Step 2: Convert to fraction form
    36,402.28/54,531.02 = 28,053.24/x
  3. Step 3: Cross multiply
    36,402.28x = 54,531.02 × 28,053.24
  4. Step 4: Simplify right side
    36,402.28x = 1,529,771,791.50
  5. Step 5: Solve for x
    x = 1,529,771,791.50/36,402.28
  6. Step 6: Final answer
    x = 42,024.07

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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.