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Finding the Fourth Proportional to 40,301, 60,451.36 and 10,718.84

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Solution

The fourth proportional to 40,301, 60,451.36 and 10,718.84 is: 16,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,301 : 60,451.36 = 10,718.84 : x
  2. Step 2: Convert to fraction form
    40,301/60,451.36 = 10,718.84/x
  3. Step 3: Cross multiply
    40,301x = 60,451.36 × 10,718.84
  4. Step 4: Simplify right side
    40,301x = 647,968,455.62
  5. Step 5: Solve for x
    x = 647,968,455.62/40,301
  6. Step 6: Final answer
    x = 16,078.22

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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.