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Finding the Fourth Proportional to 7,452.30, 11,166.30 and 7,014.90

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Solution

The fourth proportional to 7,452.30, 11,166.30 and 7,014.90 is: 10,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.30 : 11,166.30 = 7,014.90 : x
  2. Step 2: Convert to fraction form
    7,452.30/11,166.30 = 7,014.90/x
  3. Step 3: Cross multiply
    7,452.30x = 11,166.30 × 7,014.90
  4. Step 4: Simplify right side
    7,452.30x = 78,330,477.87
  5. Step 5: Solve for x
    x = 78,330,477.87/7,452.30
  6. Step 6: Final answer
    x = 10,510.91

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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.