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Finding the Fourth Proportional to 14,905.60, 22,401.60 and 13,004.80

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Solution

The fourth proportional to 14,905.60, 22,401.60 and 13,004.80 is: 19,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.60 : 22,401.60 = 13,004.80 : x
  2. Step 2: Convert to fraction form
    14,905.60/22,401.60 = 13,004.80/x
  3. Step 3: Cross multiply
    14,905.60x = 22,401.60 × 13,004.80
  4. Step 4: Simplify right side
    14,905.60x = 291,328,327.68
  5. Step 5: Solve for x
    x = 291,328,327.68/14,905.60
  6. Step 6: Final answer
    x = 19,544.89

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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.