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Finding the Fourth Proportional to 8,366.76, 12,525.48 and 7,328.79

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Solution

The fourth proportional to 8,366.76, 12,525.48 and 7,328.79 is: 10,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.76 : 12,525.48 = 7,328.79 : x
  2. Step 2: Convert to fraction form
    8,366.76/12,525.48 = 7,328.79/x
  3. Step 3: Cross multiply
    8,366.76x = 12,525.48 × 7,328.79
  4. Step 4: Simplify right side
    8,366.76x = 91,796,612.57
  5. Step 5: Solve for x
    x = 91,796,612.57/8,366.76
  6. Step 6: Final answer
    x = 10,971.58

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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.