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Finding the Fourth Proportional to 77,295.45, 116,006.76 and 32,972.25

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Solution

The fourth proportional to 77,295.45, 116,006.76 and 32,972.25 is: 49,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,295.45 : 116,006.76 = 32,972.25 : x
  2. Step 2: Convert to fraction form
    77,295.45/116,006.76 = 32,972.25/x
  3. Step 3: Cross multiply
    77,295.45x = 116,006.76 × 32,972.25
  4. Step 4: Simplify right side
    77,295.45x = 3,825,003,892.41
  5. Step 5: Solve for x
    x = 3,825,003,892.41/77,295.45
  6. Step 6: Final answer
    x = 49,485.50

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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.