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Finding the Fourth Proportional to 72,354.38, 108,444.09 and 37,274.90

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Solution

The fourth proportional to 72,354.38, 108,444.09 and 37,274.90 is: 55,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,354.38 : 108,444.09 = 37,274.90 : x
  2. Step 2: Convert to fraction form
    72,354.38/108,444.09 = 37,274.90/x
  3. Step 3: Cross multiply
    72,354.38x = 108,444.09 × 37,274.90
  4. Step 4: Simplify right side
    72,354.38x = 4,042,242,610.34
  5. Step 5: Solve for x
    x = 4,042,242,610.34/72,354.38
  6. Step 6: Final answer
    x = 55,867.28

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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.