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Finding the Fourth Proportional to 7,609.40, 11,394.66 and 6,741.08

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Solution

The fourth proportional to 7,609.40, 11,394.66 and 6,741.08 is: 10,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.40 : 11,394.66 = 6,741.08 : x
  2. Step 2: Convert to fraction form
    7,609.40/11,394.66 = 6,741.08/x
  3. Step 3: Cross multiply
    7,609.40x = 11,394.66 × 6,741.08
  4. Step 4: Simplify right side
    7,609.40x = 76,812,314.63
  5. Step 5: Solve for x
    x = 76,812,314.63/7,609.40
  6. Step 6: Final answer
    x = 10,094.40

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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.