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Finding the Fourth Proportional to 6,276.65, 8,661.86 and 3,444.28

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Solution

The fourth proportional to 6,276.65, 8,661.86 and 3,444.28 is: 4,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.65 : 8,661.86 = 3,444.28 : x
  2. Step 2: Convert to fraction form
    6,276.65/8,661.86 = 3,444.28/x
  3. Step 3: Cross multiply
    6,276.65x = 8,661.86 × 3,444.28
  4. Step 4: Simplify right side
    6,276.65x = 29,833,810.63
  5. Step 5: Solve for x
    x = 29,833,810.63/6,276.65
  6. Step 6: Final answer
    x = 4,753.14

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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.