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Finding the Fourth Proportional to 7,908.56, 10,914.02 and 4,323.67

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Solution

The fourth proportional to 7,908.56, 10,914.02 and 4,323.67 is: 5,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.56 : 10,914.02 = 4,323.67 : x
  2. Step 2: Convert to fraction form
    7,908.56/10,914.02 = 4,323.67/x
  3. Step 3: Cross multiply
    7,908.56x = 10,914.02 × 4,323.67
  4. Step 4: Simplify right side
    7,908.56x = 47,188,588.16
  5. Step 5: Solve for x
    x = 47,188,588.16/7,908.56
  6. Step 6: Final answer
    x = 5,966.77

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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.