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Finding the Fourth Proportional to 73,060.13, 100,824.59 and 40,354.47

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Solution

The fourth proportional to 73,060.13, 100,824.59 and 40,354.47 is: 55,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,060.13 : 100,824.59 = 40,354.47 : x
  2. Step 2: Convert to fraction form
    73,060.13/100,824.59 = 40,354.47/x
  3. Step 3: Cross multiply
    73,060.13x = 100,824.59 × 40,354.47
  4. Step 4: Simplify right side
    73,060.13x = 4,068,722,993.30
  5. Step 5: Solve for x
    x = 4,068,722,993.30/73,060.13
  6. Step 6: Final answer
    x = 55,690.06

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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.