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Finding the Fourth Proportional to 6,876.02, 9,485.42 and 4,353.90

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Solution

The fourth proportional to 6,876.02, 9,485.42 and 4,353.90 is: 6,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.02 : 9,485.42 = 4,353.90 : x
  2. Step 2: Convert to fraction form
    6,876.02/9,485.42 = 4,353.90/x
  3. Step 3: Cross multiply
    6,876.02x = 9,485.42 × 4,353.90
  4. Step 4: Simplify right side
    6,876.02x = 41,298,570.14
  5. Step 5: Solve for x
    x = 41,298,570.14/6,876.02
  6. Step 6: Final answer
    x = 6,006.17

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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.