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Finding the Fourth Proportional to 1,624.30, 2,194.43 and 1,624.30

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Solution

The fourth proportional to 1,624.30, 2,194.43 and 1,624.30 is: 2,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.30 : 2,194.43 = 1,624.30 : x
  2. Step 2: Convert to fraction form
    1,624.30/2,194.43 = 1,624.30/x
  3. Step 3: Cross multiply
    1,624.30x = 2,194.43 × 1,624.30
  4. Step 4: Simplify right side
    1,624.30x = 3,564,412.65
  5. Step 5: Solve for x
    x = 3,564,412.65/1,624.30
  6. Step 6: Final answer
    x = 2,194.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.