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Finding the Fourth Proportional to 72,266.36, 108,409.76 and 22,350.83

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Solution

The fourth proportional to 72,266.36, 108,409.76 and 22,350.83 is: 33,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,266.36 : 108,409.76 = 22,350.83 : x
  2. Step 2: Convert to fraction form
    72,266.36/108,409.76 = 22,350.83/x
  3. Step 3: Cross multiply
    72,266.36x = 108,409.76 × 22,350.83
  4. Step 4: Simplify right side
    72,266.36x = 2,423,048,004.35
  5. Step 5: Solve for x
    x = 2,423,048,004.35/72,266.36
  6. Step 6: Final answer
    x = 33,529.40

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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.