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Finding the Fourth Proportional to 6,346.51, 8,757.90 and 3,513.68

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Solution

The fourth proportional to 6,346.51, 8,757.90 and 3,513.68 is: 4,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.51 : 8,757.90 = 3,513.68 : x
  2. Step 2: Convert to fraction form
    6,346.51/8,757.90 = 3,513.68/x
  3. Step 3: Cross multiply
    6,346.51x = 8,757.90 × 3,513.68
  4. Step 4: Simplify right side
    6,346.51x = 30,772,462.40
  5. Step 5: Solve for x
    x = 30,772,462.40/6,346.51
  6. Step 6: Final answer
    x = 4,848.72

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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.