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Finding the Fourth Proportional to 40,483.50, 60,727.08 and 12,401.51

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Solution

The fourth proportional to 40,483.50, 60,727.08 and 12,401.51 is: 18,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,483.50 : 60,727.08 = 12,401.51 : x
  2. Step 2: Convert to fraction form
    40,483.50/60,727.08 = 12,401.51/x
  3. Step 3: Cross multiply
    40,483.50x = 60,727.08 × 12,401.51
  4. Step 4: Simplify right side
    40,483.50x = 753,107,489.89
  5. Step 5: Solve for x
    x = 753,107,489.89/40,483.50
  6. Step 6: Final answer
    x = 18,602.83

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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.