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Finding the Fourth Proportional to 7,773.14, 10,728.18 and 4,586.50

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Solution

The fourth proportional to 7,773.14, 10,728.18 and 4,586.50 is: 6,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.14 : 10,728.18 = 4,586.50 : x
  2. Step 2: Convert to fraction form
    7,773.14/10,728.18 = 4,586.50/x
  3. Step 3: Cross multiply
    7,773.14x = 10,728.18 × 4,586.50
  4. Step 4: Simplify right side
    7,773.14x = 49,204,797.57
  5. Step 5: Solve for x
    x = 49,204,797.57/7,773.14
  6. Step 6: Final answer
    x = 6,330.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.