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Finding the Fourth Proportional to 7,385.01, 10,191.06 and 4,399.29

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Solution

The fourth proportional to 7,385.01, 10,191.06 and 4,399.29 is: 6,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.01 : 10,191.06 = 4,399.29 : x
  2. Step 2: Convert to fraction form
    7,385.01/10,191.06 = 4,399.29/x
  3. Step 3: Cross multiply
    7,385.01x = 10,191.06 × 4,399.29
  4. Step 4: Simplify right side
    7,385.01x = 44,833,466.56
  5. Step 5: Solve for x
    x = 44,833,466.56/7,385.01
  6. Step 6: Final answer
    x = 6,070.87

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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.