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Finding the Fourth Proportional to 36,472.68, 54,610.34 and 18,905.58

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Solution

The fourth proportional to 36,472.68, 54,610.34 and 18,905.58 is: 28,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.68 : 54,610.34 = 18,905.58 : x
  2. Step 2: Convert to fraction form
    36,472.68/54,610.34 = 18,905.58/x
  3. Step 3: Cross multiply
    36,472.68x = 54,610.34 × 18,905.58
  4. Step 4: Simplify right side
    36,472.68x = 1,032,440,057.17
  5. Step 5: Solve for x
    x = 1,032,440,057.17/36,472.68
  6. Step 6: Final answer
    x = 28,307.22

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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.