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Finding the Fourth Proportional to 73,641.96, 110,460.73 and 20,337.18

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Solution

The fourth proportional to 73,641.96, 110,460.73 and 20,337.18 is: 30,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.96 : 110,460.73 = 20,337.18 : x
  2. Step 2: Convert to fraction form
    73,641.96/110,460.73 = 20,337.18/x
  3. Step 3: Cross multiply
    73,641.96x = 110,460.73 × 20,337.18
  4. Step 4: Simplify right side
    73,641.96x = 2,246,459,748.94
  5. Step 5: Solve for x
    x = 2,246,459,748.94/73,641.96
  6. Step 6: Final answer
    x = 30,505.16

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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.