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Finding the Fourth Proportional to 6,609.97, 9,125.07 and 4,631.05

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Solution

The fourth proportional to 6,609.97, 9,125.07 and 4,631.05 is: 6,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.97 : 9,125.07 = 4,631.05 : x
  2. Step 2: Convert to fraction form
    6,609.97/9,125.07 = 4,631.05/x
  3. Step 3: Cross multiply
    6,609.97x = 9,125.07 × 4,631.05
  4. Step 4: Simplify right side
    6,609.97x = 42,258,655.42
  5. Step 5: Solve for x
    x = 42,258,655.42/6,609.97
  6. Step 6: Final answer
    x = 6,393.17

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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.