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Finding the Fourth Proportional to 6,370.60, 9,558.60 and 4,032.40

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Solution

The fourth proportional to 6,370.60, 9,558.60 and 4,032.40 is: 6,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.60 : 9,558.60 = 4,032.40 : x
  2. Step 2: Convert to fraction form
    6,370.60/9,558.60 = 4,032.40/x
  3. Step 3: Cross multiply
    6,370.60x = 9,558.60 × 4,032.40
  4. Step 4: Simplify right side
    6,370.60x = 38,544,098.64
  5. Step 5: Solve for x
    x = 38,544,098.64/6,370.60
  6. Step 6: Final answer
    x = 6,050.31

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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.