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Finding the Fourth Proportional to 72,633.75, 108,950.64 and 23,385.75

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Solution

The fourth proportional to 72,633.75, 108,950.64 and 23,385.75 is: 35,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,633.75 : 108,950.64 = 23,385.75 : x
  2. Step 2: Convert to fraction form
    72,633.75/108,950.64 = 23,385.75/x
  3. Step 3: Cross multiply
    72,633.75x = 108,950.64 × 23,385.75
  4. Step 4: Simplify right side
    72,633.75x = 2,547,892,429.38
  5. Step 5: Solve for x
    x = 2,547,892,429.38/72,633.75
  6. Step 6: Final answer
    x = 35,078.63

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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.