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Finding the Fourth Proportional to 2,353.47, 3,530.41 and 622.09

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Solution

The fourth proportional to 2,353.47, 3,530.41 and 622.09 is: 933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.47 : 3,530.41 = 622.09 : x
  2. Step 2: Convert to fraction form
    2,353.47/3,530.41 = 622.09/x
  3. Step 3: Cross multiply
    2,353.47x = 3,530.41 × 622.09
  4. Step 4: Simplify right side
    2,353.47x = 2,196,232.76
  5. Step 5: Solve for x
    x = 2,196,232.76/2,353.47
  6. Step 6: Final answer
    x = 933.19

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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.