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Finding the Fourth Proportional to 4,928.17, 7,393.43 and 1,641.29

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Solution

The fourth proportional to 4,928.17, 7,393.43 and 1,641.29 is: 2,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.17 : 7,393.43 = 1,641.29 : x
  2. Step 2: Convert to fraction form
    4,928.17/7,393.43 = 1,641.29/x
  3. Step 3: Cross multiply
    4,928.17x = 7,393.43 × 1,641.29
  4. Step 4: Simplify right side
    4,928.17x = 12,134,717.55
  5. Step 5: Solve for x
    x = 12,134,717.55/4,928.17
  6. Step 6: Final answer
    x = 2,462.32

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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.