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Finding the Fourth Proportional to 4,941.22, 7,417.60 and 3,901.92

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Solution

The fourth proportional to 4,941.22, 7,417.60 and 3,901.92 is: 5,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.22 : 7,417.60 = 3,901.92 : x
  2. Step 2: Convert to fraction form
    4,941.22/7,417.60 = 3,901.92/x
  3. Step 3: Cross multiply
    4,941.22x = 7,417.60 × 3,901.92
  4. Step 4: Simplify right side
    4,941.22x = 28,942,881.79
  5. Step 5: Solve for x
    x = 28,942,881.79/4,941.22
  6. Step 6: Final answer
    x = 5,857.44

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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.