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Finding the Fourth Proportional to 14,802.40, 22,203.60 and 12,469.60

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Solution

The fourth proportional to 14,802.40, 22,203.60 and 12,469.60 is: 18,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.40 : 22,203.60 = 12,469.60 : x
  2. Step 2: Convert to fraction form
    14,802.40/22,203.60 = 12,469.60/x
  3. Step 3: Cross multiply
    14,802.40x = 22,203.60 × 12,469.60
  4. Step 4: Simplify right side
    14,802.40x = 276,870,010.56
  5. Step 5: Solve for x
    x = 276,870,010.56/14,802.40
  6. Step 6: Final answer
    x = 18,704.40

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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.