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Finding the Fourth Proportional to 56,632.48, 78,162.48 and 32,773.68

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Solution

The fourth proportional to 56,632.48, 78,162.48 and 32,773.68 is: 45,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,632.48 : 78,162.48 = 32,773.68 : x
  2. Step 2: Convert to fraction form
    56,632.48/78,162.48 = 32,773.68/x
  3. Step 3: Cross multiply
    56,632.48x = 78,162.48 × 32,773.68
  4. Step 4: Simplify right side
    56,632.48x = 2,561,672,107.53
  5. Step 5: Solve for x
    x = 2,561,672,107.53/56,632.48
  6. Step 6: Final answer
    x = 45,233.27

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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.