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Finding the Fourth Proportional to 6,606.40, 9,893.40 and 4,403.20

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Solution

The fourth proportional to 6,606.40, 9,893.40 and 4,403.20 is: 6,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.40 : 9,893.40 = 4,403.20 : x
  2. Step 2: Convert to fraction form
    6,606.40/9,893.40 = 4,403.20/x
  3. Step 3: Cross multiply
    6,606.40x = 9,893.40 × 4,403.20
  4. Step 4: Simplify right side
    6,606.40x = 43,562,618.88
  5. Step 5: Solve for x
    x = 43,562,618.88/6,606.40
  6. Step 6: Final answer
    x = 6,594.00

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1.5x scale

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.