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Finding the Fourth Proportional to 7,794.63, 10,748.07 and 5,272.35

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Solution

The fourth proportional to 7,794.63, 10,748.07 and 5,272.35 is: 7,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.63 : 10,748.07 = 5,272.35 : x
  2. Step 2: Convert to fraction form
    7,794.63/10,748.07 = 5,272.35/x
  3. Step 3: Cross multiply
    7,794.63x = 10,748.07 × 5,272.35
  4. Step 4: Simplify right side
    7,794.63x = 56,667,586.86
  5. Step 5: Solve for x
    x = 56,667,586.86/7,794.63
  6. Step 6: Final answer
    x = 7,270.08

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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.