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Finding the Fourth Proportional to 16,480.64, 22,735.40 and 10,813.08

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Solution

The fourth proportional to 16,480.64, 22,735.40 and 10,813.08 is: 14,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.64 : 22,735.40 = 10,813.08 : x
  2. Step 2: Convert to fraction form
    16,480.64/22,735.40 = 10,813.08/x
  3. Step 3: Cross multiply
    16,480.64x = 22,735.40 × 10,813.08
  4. Step 4: Simplify right side
    16,480.64x = 245,839,699.03
  5. Step 5: Solve for x
    x = 245,839,699.03/16,480.64
  6. Step 6: Final answer
    x = 14,916.88

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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.