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Finding the Fourth Proportional to 78,571.98, 108,440.50 and 44,588.84

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Solution

The fourth proportional to 78,571.98, 108,440.50 and 44,588.84 is: 61,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,571.98 : 108,440.50 = 44,588.84 : x
  2. Step 2: Convert to fraction form
    78,571.98/108,440.50 = 44,588.84/x
  3. Step 3: Cross multiply
    78,571.98x = 108,440.50 × 44,588.84
  4. Step 4: Simplify right side
    78,571.98x = 4,835,236,104.02
  5. Step 5: Solve for x
    x = 4,835,236,104.02/78,571.98
  6. Step 6: Final answer
    x = 61,538.94

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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.