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Finding the Fourth Proportional to 14,809.04, 20,436.70 and 8,844.20

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Solution

The fourth proportional to 14,809.04, 20,436.70 and 8,844.20 is: 12,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.04 : 20,436.70 = 8,844.20 : x
  2. Step 2: Convert to fraction form
    14,809.04/20,436.70 = 8,844.20/x
  3. Step 3: Cross multiply
    14,809.04x = 20,436.70 × 8,844.20
  4. Step 4: Simplify right side
    14,809.04x = 180,746,262.14
  5. Step 5: Solve for x
    x = 180,746,262.14/14,809.04
  6. Step 6: Final answer
    x = 12,205.13

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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.