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Finding the Fourth Proportional to 7,794.88, 10,749.43 and 5,248.37

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Solution

The fourth proportional to 7,794.88, 10,749.43 and 5,248.37 is: 7,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.88 : 10,749.43 = 5,248.37 : x
  2. Step 2: Convert to fraction form
    7,794.88/10,749.43 = 5,248.37/x
  3. Step 3: Cross multiply
    7,794.88x = 10,749.43 × 5,248.37
  4. Step 4: Simplify right side
    7,794.88x = 56,416,985.93
  5. Step 5: Solve for x
    x = 56,416,985.93/7,794.88
  6. Step 6: Final answer
    x = 7,237.70

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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.