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Finding the Fourth Proportional to 73,403.50, 110,105.52 and 17,999.50

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Solution

The fourth proportional to 73,403.50, 110,105.52 and 17,999.50 is: 26,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,403.50 : 110,105.52 = 17,999.50 : x
  2. Step 2: Convert to fraction form
    73,403.50/110,105.52 = 17,999.50/x
  3. Step 3: Cross multiply
    73,403.50x = 110,105.52 × 17,999.50
  4. Step 4: Simplify right side
    73,403.50x = 1,981,844,307.24
  5. Step 5: Solve for x
    x = 1,981,844,307.24/73,403.50
  6. Step 6: Final answer
    x = 26,999.32

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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.