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Finding the Fourth Proportional to 7,401.91, 10,214.86 and 4,044.93

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Solution

The fourth proportional to 7,401.91, 10,214.86 and 4,044.93 is: 5,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.91 : 10,214.86 = 4,044.93 : x
  2. Step 2: Convert to fraction form
    7,401.91/10,214.86 = 4,044.93/x
  3. Step 3: Cross multiply
    7,401.91x = 10,214.86 × 4,044.93
  4. Step 4: Simplify right side
    7,401.91x = 41,318,383.55
  5. Step 5: Solve for x
    x = 41,318,383.55/7,401.91
  6. Step 6: Final answer
    x = 5,582.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.