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Finding the Fourth Proportional to 40,604.69, 60,878.09 and 15,623.68

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Solution

The fourth proportional to 40,604.69, 60,878.09 and 15,623.68 is: 23,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,604.69 : 60,878.09 = 15,623.68 : x
  2. Step 2: Convert to fraction form
    40,604.69/60,878.09 = 15,623.68/x
  3. Step 3: Cross multiply
    40,604.69x = 60,878.09 × 15,623.68
  4. Step 4: Simplify right side
    40,604.69x = 951,139,684.04
  5. Step 5: Solve for x
    x = 951,139,684.04/40,604.69
  6. Step 6: Final answer
    x = 23,424.38

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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.