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Finding the Fourth Proportional to 7,846.55, 10,827.02 and 5,016.43

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Solution

The fourth proportional to 7,846.55, 10,827.02 and 5,016.43 is: 6,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.55 : 10,827.02 = 5,016.43 : x
  2. Step 2: Convert to fraction form
    7,846.55/10,827.02 = 5,016.43/x
  3. Step 3: Cross multiply
    7,846.55x = 10,827.02 × 5,016.43
  4. Step 4: Simplify right side
    7,846.55x = 54,312,985.80
  5. Step 5: Solve for x
    x = 54,312,985.80/7,846.55
  6. Step 6: Final answer
    x = 6,921.90

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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.