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Finding the Fourth Proportional to 6,759.92, 9,376.42 and 6,580.10

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Solution

The fourth proportional to 6,759.92, 9,376.42 and 6,580.10 is: 9,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.92 : 9,376.42 = 6,580.10 : x
  2. Step 2: Convert to fraction form
    6,759.92/9,376.42 = 6,580.10/x
  3. Step 3: Cross multiply
    6,759.92x = 9,376.42 × 6,580.10
  4. Step 4: Simplify right side
    6,759.92x = 61,697,748.34
  5. Step 5: Solve for x
    x = 61,697,748.34/6,759.92
  6. Step 6: Final answer
    x = 9,126.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.