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Finding the Fourth Proportional to 72,329.81, 108,510.19 and 36,796.05

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Solution

The fourth proportional to 72,329.81, 108,510.19 and 36,796.05 is: 55,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,329.81 : 108,510.19 = 36,796.05 : x
  2. Step 2: Convert to fraction form
    72,329.81/108,510.19 = 36,796.05/x
  3. Step 3: Cross multiply
    72,329.81x = 108,510.19 × 36,796.05
  4. Step 4: Simplify right side
    72,329.81x = 3,992,746,284.76
  5. Step 5: Solve for x
    x = 3,992,746,284.76/72,329.81
  6. Step 6: Final answer
    x = 55,201.95

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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.