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Finding the Fourth Proportional to 41,066.81, 61,607.81 and 12,993.93

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Solution

The fourth proportional to 41,066.81, 61,607.81 and 12,993.93 is: 19,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,066.81 : 61,607.81 = 12,993.93 : x
  2. Step 2: Convert to fraction form
    41,066.81/61,607.81 = 12,993.93/x
  3. Step 3: Cross multiply
    41,066.81x = 61,607.81 × 12,993.93
  4. Step 4: Simplify right side
    41,066.81x = 800,527,356.72
  5. Step 5: Solve for x
    x = 800,527,356.72/41,066.81
  6. Step 6: Final answer
    x = 19,493.29

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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.