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Finding the Fourth Proportional to 7,207.48, 9,942.06 and 5,433.52

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Solution

The fourth proportional to 7,207.48, 9,942.06 and 5,433.52 is: 7,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.48 : 9,942.06 = 5,433.52 : x
  2. Step 2: Convert to fraction form
    7,207.48/9,942.06 = 5,433.52/x
  3. Step 3: Cross multiply
    7,207.48x = 9,942.06 × 5,433.52
  4. Step 4: Simplify right side
    7,207.48x = 54,020,381.85
  5. Step 5: Solve for x
    x = 54,020,381.85/7,207.48
  6. Step 6: Final answer
    x = 7,495.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.