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Finding the Fourth Proportional to 75,029.28, 112,541.76 and 35,558.88

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Solution

The fourth proportional to 75,029.28, 112,541.76 and 35,558.88 is: 53,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029.28 : 112,541.76 = 35,558.88 : x
  2. Step 2: Convert to fraction form
    75,029.28/112,541.76 = 35,558.88/x
  3. Step 3: Cross multiply
    75,029.28x = 112,541.76 × 35,558.88
  4. Step 4: Simplify right side
    75,029.28x = 4,001,858,938.83
  5. Step 5: Solve for x
    x = 4,001,858,938.83/75,029.28
  6. Step 6: Final answer
    x = 53,337.30

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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.