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Finding the Fourth Proportional to 6,750.45, 9,302.79 and 4,858.68

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Solution

The fourth proportional to 6,750.45, 9,302.79 and 4,858.68 is: 6,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.45 : 9,302.79 = 4,858.68 : x
  2. Step 2: Convert to fraction form
    6,750.45/9,302.79 = 4,858.68/x
  3. Step 3: Cross multiply
    6,750.45x = 9,302.79 × 4,858.68
  4. Step 4: Simplify right side
    6,750.45x = 45,199,279.72
  5. Step 5: Solve for x
    x = 45,199,279.72/6,750.45
  6. Step 6: Final answer
    x = 6,695.74

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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.