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Finding the Fourth Proportional to 6,712.76, 10,054.74 and 6,528.44

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Solution

The fourth proportional to 6,712.76, 10,054.74 and 6,528.44 is: 9,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.76 : 10,054.74 = 6,528.44 : x
  2. Step 2: Convert to fraction form
    6,712.76/10,054.74 = 6,528.44/x
  3. Step 3: Cross multiply
    6,712.76x = 10,054.74 × 6,528.44
  4. Step 4: Simplify right side
    6,712.76x = 65,641,766.81
  5. Step 5: Solve for x
    x = 65,641,766.81/6,712.76
  6. Step 6: Final answer
    x = 9,778.66

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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.