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Finding the Fourth Proportional to 76,995.76, 115,504.58 and 23,692.16

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Solution

The fourth proportional to 76,995.76, 115,504.58 and 23,692.16 is: 35,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,995.76 : 115,504.58 = 23,692.16 : x
  2. Step 2: Convert to fraction form
    76,995.76/115,504.58 = 23,692.16/x
  3. Step 3: Cross multiply
    76,995.76x = 115,504.58 × 23,692.16
  4. Step 4: Simplify right side
    76,995.76x = 2,736,552,990.09
  5. Step 5: Solve for x
    x = 2,736,552,990.09/76,995.76
  6. Step 6: Final answer
    x = 35,541.61

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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.