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Finding the Fourth Proportional to 42,289.70, 58,361.70 and 23,426.82

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Solution

The fourth proportional to 42,289.70, 58,361.70 and 23,426.82 is: 32,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.70 : 58,361.70 = 23,426.82 : x
  2. Step 2: Convert to fraction form
    42,289.70/58,361.70 = 23,426.82/x
  3. Step 3: Cross multiply
    42,289.70x = 58,361.70 × 23,426.82
  4. Step 4: Simplify right side
    42,289.70x = 1,367,229,040.79
  5. Step 5: Solve for x
    x = 1,367,229,040.79/42,289.70
  6. Step 6: Final answer
    x = 32,330.07

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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.