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Finding the Fourth Proportional to 58,256.46, 80,361.45 and 40,361.94

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Solution

The fourth proportional to 58,256.46, 80,361.45 and 40,361.94 is: 55,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,256.46 : 80,361.45 = 40,361.94 : x
  2. Step 2: Convert to fraction form
    58,256.46/80,361.45 = 40,361.94/x
  3. Step 3: Cross multiply
    58,256.46x = 80,361.45 × 40,361.94
  4. Step 4: Simplify right side
    58,256.46x = 3,243,544,023.21
  5. Step 5: Solve for x
    x = 3,243,544,023.21/58,256.46
  6. Step 6: Final answer
    x = 55,676.98

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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.