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Finding the Fourth Proportional to 14,468.80, 21,705.60 and 6,152.80

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Solution

The fourth proportional to 14,468.80, 21,705.60 and 6,152.80 is: 9,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.80 : 21,705.60 = 6,152.80 : x
  2. Step 2: Convert to fraction form
    14,468.80/21,705.60 = 6,152.80/x
  3. Step 3: Cross multiply
    14,468.80x = 21,705.60 × 6,152.80
  4. Step 4: Simplify right side
    14,468.80x = 133,550,215.68
  5. Step 5: Solve for x
    x = 133,550,215.68/14,468.80
  6. Step 6: Final answer
    x = 9,230.22

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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.