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Finding the Fourth Proportional to 4,927.91, 7,393.05 and 1,641.03

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Solution

The fourth proportional to 4,927.91, 7,393.05 and 1,641.03 is: 2,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.91 : 7,393.05 = 1,641.03 : x
  2. Step 2: Convert to fraction form
    4,927.91/7,393.05 = 1,641.03/x
  3. Step 3: Cross multiply
    4,927.91x = 7,393.05 × 1,641.03
  4. Step 4: Simplify right side
    4,927.91x = 12,132,244.57
  5. Step 5: Solve for x
    x = 12,132,244.57/4,927.91
  6. Step 6: Final answer
    x = 2,461.94

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Similar ratio
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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.