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Finding the Fourth Proportional to 4,673.51, 6,998.72 and 3,624.78

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Solution

The fourth proportional to 4,673.51, 6,998.72 and 3,624.78 is: 5,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.51 : 6,998.72 = 3,624.78 : x
  2. Step 2: Convert to fraction form
    4,673.51/6,998.72 = 3,624.78/x
  3. Step 3: Cross multiply
    4,673.51x = 6,998.72 × 3,624.78
  4. Step 4: Simplify right side
    4,673.51x = 25,368,789.74
  5. Step 5: Solve for x
    x = 25,368,789.74/4,673.51
  6. Step 6: Final answer
    x = 5,428.21

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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.