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Finding the Fourth Proportional to 73,354.32, 101,229.48 and 39,820.32

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Solution

The fourth proportional to 73,354.32, 101,229.48 and 39,820.32 is: 54,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354.32 : 101,229.48 = 39,820.32 : x
  2. Step 2: Convert to fraction form
    73,354.32/101,229.48 = 39,820.32/x
  3. Step 3: Cross multiply
    73,354.32x = 101,229.48 × 39,820.32
  4. Step 4: Simplify right side
    73,354.32x = 4,030,990,287.03
  5. Step 5: Solve for x
    x = 4,030,990,287.03/73,354.32
  6. Step 6: Final answer
    x = 54,952.32

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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.