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Finding the Fourth Proportional to 5,470.10, 8,207.18 and 5,267.60

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Solution

The fourth proportional to 5,470.10, 8,207.18 and 5,267.60 is: 7,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.10 : 8,207.18 = 5,267.60 : x
  2. Step 2: Convert to fraction form
    5,470.10/8,207.18 = 5,267.60/x
  3. Step 3: Cross multiply
    5,470.10x = 8,207.18 × 5,267.60
  4. Step 4: Simplify right side
    5,470.10x = 43,232,141.37
  5. Step 5: Solve for x
    x = 43,232,141.37/5,470.10
  6. Step 6: Final answer
    x = 7,903.35

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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.