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Finding the Fourth Proportional to 7,675.22, 11,528.22 and 7,423.04

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Solution

The fourth proportional to 7,675.22, 11,528.22 and 7,423.04 is: 11,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.22 : 11,528.22 = 7,423.04 : x
  2. Step 2: Convert to fraction form
    7,675.22/11,528.22 = 7,423.04/x
  3. Step 3: Cross multiply
    7,675.22x = 11,528.22 × 7,423.04
  4. Step 4: Simplify right side
    7,675.22x = 85,574,438.19
  5. Step 5: Solve for x
    x = 85,574,438.19/7,675.22
  6. Step 6: Final answer
    x = 11,149.44

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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.