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Finding the Fourth Proportional to 73,953.42, 110,885.68 and 28,921.12

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Solution

The fourth proportional to 73,953.42, 110,885.68 and 28,921.12 is: 43,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,953.42 : 110,885.68 = 28,921.12 : x
  2. Step 2: Convert to fraction form
    73,953.42/110,885.68 = 28,921.12/x
  3. Step 3: Cross multiply
    73,953.42x = 110,885.68 × 28,921.12
  4. Step 4: Simplify right side
    73,953.42x = 3,206,938,057.56
  5. Step 5: Solve for x
    x = 3,206,938,057.56/73,953.42
  6. Step 6: Final answer
    x = 43,364.30

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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.