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Finding the Fourth Proportional to 14,107.84, 19,477.92 and 8,804.80

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Solution

The fourth proportional to 14,107.84, 19,477.92 and 8,804.80 is: 12,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.84 : 19,477.92 = 8,804.80 : x
  2. Step 2: Convert to fraction form
    14,107.84/19,477.92 = 8,804.80/x
  3. Step 3: Cross multiply
    14,107.84x = 19,477.92 × 8,804.80
  4. Step 4: Simplify right side
    14,107.84x = 171,499,190.02
  5. Step 5: Solve for x
    x = 171,499,190.02/14,107.84
  6. Step 6: Final answer
    x = 12,156.30

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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.