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Finding the Fourth Proportional to 6,228.71, 8,595.59 and 3,434.21

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Solution

The fourth proportional to 6,228.71, 8,595.59 and 3,434.21 is: 4,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.71 : 8,595.59 = 3,434.21 : x
  2. Step 2: Convert to fraction form
    6,228.71/8,595.59 = 3,434.21/x
  3. Step 3: Cross multiply
    6,228.71x = 8,595.59 × 3,434.21
  4. Step 4: Simplify right side
    6,228.71x = 29,519,043.96
  5. Step 5: Solve for x
    x = 29,519,043.96/6,228.71
  6. Step 6: Final answer
    x = 4,739.19

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Double scale
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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.