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Finding the Fourth Proportional to 7,952.10, 11,928.15 and 5,774.67

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Solution

The fourth proportional to 7,952.10, 11,928.15 and 5,774.67 is: 8,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.10 : 11,928.15 = 5,774.67 : x
  2. Step 2: Convert to fraction form
    7,952.10/11,928.15 = 5,774.67/x
  3. Step 3: Cross multiply
    7,952.10x = 11,928.15 × 5,774.67
  4. Step 4: Simplify right side
    7,952.10x = 68,881,129.96
  5. Step 5: Solve for x
    x = 68,881,129.96/7,952.10
  6. Step 6: Final answer
    x = 8,662.01

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Similar ratio
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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.