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Finding the Fourth Proportional to 58,361.42, 80,535.44 and 34,490.31

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Solution

The fourth proportional to 58,361.42, 80,535.44 and 34,490.31 is: 47,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.42 : 80,535.44 = 34,490.31 : x
  2. Step 2: Convert to fraction form
    58,361.42/80,535.44 = 34,490.31/x
  3. Step 3: Cross multiply
    58,361.42x = 80,535.44 × 34,490.31
  4. Step 4: Simplify right side
    58,361.42x = 2,777,692,291.59
  5. Step 5: Solve for x
    x = 2,777,692,291.59/58,361.42
  6. Step 6: Final answer
    x = 47,594.67

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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.