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Finding the Fourth Proportional to 56,186.93, 77,531.48 and 32,321.30

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Solution

The fourth proportional to 56,186.93, 77,531.48 and 32,321.30 is: 44,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,186.93 : 77,531.48 = 32,321.30 : x
  2. Step 2: Convert to fraction form
    56,186.93/77,531.48 = 32,321.30/x
  3. Step 3: Cross multiply
    56,186.93x = 77,531.48 × 32,321.30
  4. Step 4: Simplify right side
    56,186.93x = 2,505,917,796.46
  5. Step 5: Solve for x
    x = 2,505,917,796.46/56,186.93
  6. Step 6: Final answer
    x = 44,599.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.