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Finding the Fourth Proportional to 56,361.92, 77,777.54 and 32,164.22

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Solution

The fourth proportional to 56,361.92, 77,777.54 and 32,164.22 is: 44,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,361.92 : 77,777.54 = 32,164.22 : x
  2. Step 2: Convert to fraction form
    56,361.92/77,777.54 = 32,164.22/x
  3. Step 3: Cross multiply
    56,361.92x = 77,777.54 × 32,164.22
  4. Step 4: Simplify right side
    56,361.92x = 2,501,653,941.24
  5. Step 5: Solve for x
    x = 2,501,653,941.24/56,361.92
  6. Step 6: Final answer
    x = 44,385.53

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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.