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Finding the Fourth Proportional to 22,353.60, 30,850.65 and 13,406.03

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Solution

The fourth proportional to 22,353.60, 30,850.65 and 13,406.03 is: 18,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.60 : 30,850.65 = 13,406.03 : x
  2. Step 2: Convert to fraction form
    22,353.60/30,850.65 = 13,406.03/x
  3. Step 3: Cross multiply
    22,353.60x = 30,850.65 × 13,406.03
  4. Step 4: Simplify right side
    22,353.60x = 413,584,585.17
  5. Step 5: Solve for x
    x = 413,584,585.17/22,353.60
  6. Step 6: Final answer
    x = 18,501.92

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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.