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Finding the Fourth Proportional to 77,305.71, 115,975.12 and 23,996.52

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Solution

The fourth proportional to 77,305.71, 115,975.12 and 23,996.52 is: 35,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,305.71 : 115,975.12 = 23,996.52 : x
  2. Step 2: Convert to fraction form
    77,305.71/115,975.12 = 23,996.52/x
  3. Step 3: Cross multiply
    77,305.71x = 115,975.12 × 23,996.52
  4. Step 4: Simplify right side
    77,305.71x = 2,782,999,166.60
  5. Step 5: Solve for x
    x = 2,782,999,166.60/77,305.71
  6. Step 6: Final answer
    x = 35,999.92

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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.