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Finding the Fourth Proportional to 16,809.60, 25,203.60 and 6,952.80

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Solution

The fourth proportional to 16,809.60, 25,203.60 and 6,952.80 is: 10,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.60 : 25,203.60 = 6,952.80 : x
  2. Step 2: Convert to fraction form
    16,809.60/25,203.60 = 6,952.80/x
  3. Step 3: Cross multiply
    16,809.60x = 25,203.60 × 6,952.80
  4. Step 4: Simplify right side
    16,809.60x = 175,235,590.08
  5. Step 5: Solve for x
    x = 175,235,590.08/16,809.60
  6. Step 6: Final answer
    x = 10,424.73

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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.