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Finding the Fourth Proportional to 75,777.92, 113,602.08 and 29,064.32

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Solution

The fourth proportional to 75,777.92, 113,602.08 and 29,064.32 is: 43,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,777.92 : 113,602.08 = 29,064.32 : x
  2. Step 2: Convert to fraction form
    75,777.92/113,602.08 = 29,064.32/x
  3. Step 3: Cross multiply
    75,777.92x = 113,602.08 × 29,064.32
  4. Step 4: Simplify right side
    75,777.92x = 3,301,767,205.79
  5. Step 5: Solve for x
    x = 3,301,767,205.79/75,777.92
  6. Step 6: Final answer
    x = 43,571.63

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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.