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Finding the Fourth Proportional to 6,210.63, 9,315.96 and 5,899.18

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Solution

The fourth proportional to 6,210.63, 9,315.96 and 5,899.18 is: 8,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.63 : 9,315.96 = 5,899.18 : x
  2. Step 2: Convert to fraction form
    6,210.63/9,315.96 = 5,899.18/x
  3. Step 3: Cross multiply
    6,210.63x = 9,315.96 × 5,899.18
  4. Step 4: Simplify right side
    6,210.63x = 54,956,524.91
  5. Step 5: Solve for x
    x = 54,956,524.91/6,210.63
  6. Step 6: Final answer
    x = 8,848.78

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.