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Finding the Fourth Proportional to 7,379.12, 11,059.32 and 7,301

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Solution

The fourth proportional to 7,379.12, 11,059.32 and 7,301 is: 10,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.12 : 11,059.32 = 7,301 : x
  2. Step 2: Convert to fraction form
    7,379.12/11,059.32 = 7,301/x
  3. Step 3: Cross multiply
    7,379.12x = 11,059.32 × 7,301
  4. Step 4: Simplify right side
    7,379.12x = 80,744,095.32
  5. Step 5: Solve for x
    x = 80,744,095.32/7,379.12
  6. Step 6: Final answer
    x = 10,942.24

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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.