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Finding the Fourth Proportional to 6,276.96, 8,661.92 and 3,757.59

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Solution

The fourth proportional to 6,276.96, 8,661.92 and 3,757.59 is: 5,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.96 : 8,661.92 = 3,757.59 : x
  2. Step 2: Convert to fraction form
    6,276.96/8,661.92 = 3,757.59/x
  3. Step 3: Cross multiply
    6,276.96x = 8,661.92 × 3,757.59
  4. Step 4: Simplify right side
    6,276.96x = 32,547,925.18
  5. Step 5: Solve for x
    x = 32,547,925.18/6,276.96
  6. Step 6: Final answer
    x = 5,185.30

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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.