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Finding the Fourth Proportional to 6,339.92, 8,748.95 and 3,507.48

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Solution

The fourth proportional to 6,339.92, 8,748.95 and 3,507.48 is: 4,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.92 : 8,748.95 = 3,507.48 : x
  2. Step 2: Convert to fraction form
    6,339.92/8,748.95 = 3,507.48/x
  3. Step 3: Cross multiply
    6,339.92x = 8,748.95 × 3,507.48
  4. Step 4: Simplify right side
    6,339.92x = 30,686,749.61
  5. Step 5: Solve for x
    x = 30,686,749.61/6,339.92
  6. Step 6: Final answer
    x = 4,840.25

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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.