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Finding the Fourth Proportional to 7,063.72, 9,748.90 and 4,270.12

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Solution

The fourth proportional to 7,063.72, 9,748.90 and 4,270.12 is: 5,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.72 : 9,748.90 = 4,270.12 : x
  2. Step 2: Convert to fraction form
    7,063.72/9,748.90 = 4,270.12/x
  3. Step 3: Cross multiply
    7,063.72x = 9,748.90 × 4,270.12
  4. Step 4: Simplify right side
    7,063.72x = 41,628,972.87
  5. Step 5: Solve for x
    x = 41,628,972.87/7,063.72
  6. Step 6: Final answer
    x = 5,893.35

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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.