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Finding the Fourth Proportional to 76,773.52, 115,175.76 and 32,400.32

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Solution

The fourth proportional to 76,773.52, 115,175.76 and 32,400.32 is: 48,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773.52 : 115,175.76 = 32,400.32 : x
  2. Step 2: Convert to fraction form
    76,773.52/115,175.76 = 32,400.32/x
  3. Step 3: Cross multiply
    76,773.52x = 115,175.76 × 32,400.32
  4. Step 4: Simplify right side
    76,773.52x = 3,731,731,480.24
  5. Step 5: Solve for x
    x = 3,731,731,480.24/76,773.52
  6. Step 6: Final answer
    x = 48,607.01

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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.