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Finding the Fourth Proportional to 73,696.50, 110,545.47 and 18,292.50

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Solution

The fourth proportional to 73,696.50, 110,545.47 and 18,292.50 is: 27,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.50 : 110,545.47 = 18,292.50 : x
  2. Step 2: Convert to fraction form
    73,696.50/110,545.47 = 18,292.50/x
  3. Step 3: Cross multiply
    73,696.50x = 110,545.47 × 18,292.50
  4. Step 4: Simplify right side
    73,696.50x = 2,022,153,009.98
  5. Step 5: Solve for x
    x = 2,022,153,009.98/73,696.50
  6. Step 6: Final answer
    x = 27,438.93

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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.