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Finding the Fourth Proportional to 6,788.76, 10,176.88 and 4,709.75

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Solution

The fourth proportional to 6,788.76, 10,176.88 and 4,709.75 is: 7,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.76 : 10,176.88 = 4,709.75 : x
  2. Step 2: Convert to fraction form
    6,788.76/10,176.88 = 4,709.75/x
  3. Step 3: Cross multiply
    6,788.76x = 10,176.88 × 4,709.75
  4. Step 4: Simplify right side
    6,788.76x = 47,930,560.58
  5. Step 5: Solve for x
    x = 47,930,560.58/6,788.76
  6. Step 6: Final answer
    x = 7,060.28

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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.