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Finding the Fourth Proportional to 7,751.34, 11,624.04 and 4,974.12

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Solution

The fourth proportional to 7,751.34, 11,624.04 and 4,974.12 is: 7,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.34 : 11,624.04 = 4,974.12 : x
  2. Step 2: Convert to fraction form
    7,751.34/11,624.04 = 4,974.12/x
  3. Step 3: Cross multiply
    7,751.34x = 11,624.04 × 4,974.12
  4. Step 4: Simplify right side
    7,751.34x = 57,819,369.84
  5. Step 5: Solve for x
    x = 57,819,369.84/7,751.34
  6. Step 6: Final answer
    x = 7,459.27

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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.