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Finding the Fourth Proportional to 6,606.88, 9,117.29 and 3,622.64

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Solution

The fourth proportional to 6,606.88, 9,117.29 and 3,622.64 is: 4,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.88 : 9,117.29 = 3,622.64 : x
  2. Step 2: Convert to fraction form
    6,606.88/9,117.29 = 3,622.64/x
  3. Step 3: Cross multiply
    6,606.88x = 9,117.29 × 3,622.64
  4. Step 4: Simplify right side
    6,606.88x = 33,028,595.75
  5. Step 5: Solve for x
    x = 33,028,595.75/6,606.88
  6. Step 6: Final answer
    x = 4,999.13

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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.