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Finding the Fourth Proportional to 4,751.32, 7,117.02 and 3,011.32

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Solution

The fourth proportional to 4,751.32, 7,117.02 and 3,011.32 is: 4,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.32 : 7,117.02 = 3,011.32 : x
  2. Step 2: Convert to fraction form
    4,751.32/7,117.02 = 3,011.32/x
  3. Step 3: Cross multiply
    4,751.32x = 7,117.02 × 3,011.32
  4. Step 4: Simplify right side
    4,751.32x = 21,431,624.67
  5. Step 5: Solve for x
    x = 21,431,624.67/4,751.32
  6. Step 6: Final answer
    x = 4,510.67

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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.