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Finding the Fourth Proportional to 76,943, 115,434.96 and 32,571.62

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Solution

The fourth proportional to 76,943, 115,434.96 and 32,571.62 is: 48,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,943 : 115,434.96 = 32,571.62 : x
  2. Step 2: Convert to fraction form
    76,943/115,434.96 = 32,571.62/x
  3. Step 3: Cross multiply
    76,943x = 115,434.96 × 32,571.62
  4. Step 4: Simplify right side
    76,943x = 3,759,903,651.84
  5. Step 5: Solve for x
    x = 3,759,903,651.84/76,943
  6. Step 6: Final answer
    x = 48,866.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.