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Finding the Fourth Proportional to 6,341.98, 8,754.98 and 4,221.04

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Solution

The fourth proportional to 6,341.98, 8,754.98 and 4,221.04 is: 5,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.98 : 8,754.98 = 4,221.04 : x
  2. Step 2: Convert to fraction form
    6,341.98/8,754.98 = 4,221.04/x
  3. Step 3: Cross multiply
    6,341.98x = 8,754.98 × 4,221.04
  4. Step 4: Simplify right side
    6,341.98x = 36,955,077.79
  5. Step 5: Solve for x
    x = 36,955,077.79/6,341.98
  6. Step 6: Final answer
    x = 5,827.06

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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.